Home / 19,048.72-26,314.62-15,215.32

Finding the Fourth Proportional to 19,048.72, 26,314.62 and 15,215.32

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Solution

The fourth proportional to 19,048.72, 26,314.62 and 15,215.32 is: 21,019.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.72 : 26,314.62 = 15,215.32 : x
  2. Step 2: Convert to fraction form
    19,048.72/26,314.62 = 15,215.32/x
  3. Step 3: Cross multiply
    19,048.72x = 26,314.62 × 15,215.32
  4. Step 4: Simplify right side
    19,048.72x = 400,385,363.98
  5. Step 5: Solve for x
    x = 400,385,363.98/19,048.72
  6. Step 6: Final answer
    x = 21,019.02

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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.