Home / 19,088.16-26,337.48-18,458.88

Finding the Fourth Proportional to 19,088.16, 26,337.48 and 18,458.88

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Solution

The fourth proportional to 19,088.16, 26,337.48 and 18,458.88 is: 25,469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088.16 : 26,337.48 = 18,458.88 : x
  2. Step 2: Convert to fraction form
    19,088.16/26,337.48 = 18,458.88/x
  3. Step 3: Cross multiply
    19,088.16x = 26,337.48 × 18,458.88
  4. Step 4: Simplify right side
    19,088.16x = 486,160,382.82
  5. Step 5: Solve for x
    x = 486,160,382.82/19,088.16
  6. Step 6: Final answer
    x = 25,469.21

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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.