Home / 19,152.43-26,422.81-14,128.75

Finding the Fourth Proportional to 19,152.43, 26,422.81 and 14,128.75

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Solution

The fourth proportional to 19,152.43, 26,422.81 and 14,128.75 is: 19,492.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.43 : 26,422.81 = 14,128.75 : x
  2. Step 2: Convert to fraction form
    19,152.43/26,422.81 = 14,128.75/x
  3. Step 3: Cross multiply
    19,152.43x = 26,422.81 × 14,128.75
  4. Step 4: Simplify right side
    19,152.43x = 373,321,276.79
  5. Step 5: Solve for x
    x = 373,321,276.79/19,152.43
  6. Step 6: Final answer
    x = 19,492.11

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.