Home / 26,472.32-36,569.76-21,160.16

Finding the Fourth Proportional to 26,472.32, 36,569.76 and 21,160.16

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Solution

The fourth proportional to 26,472.32, 36,569.76 and 21,160.16 is: 29,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,472.32 : 36,569.76 = 21,160.16 : x
  2. Step 2: Convert to fraction form
    26,472.32/36,569.76 = 21,160.16/x
  3. Step 3: Cross multiply
    26,472.32x = 36,569.76 × 21,160.16
  4. Step 4: Simplify right side
    26,472.32x = 773,821,972.76
  5. Step 5: Solve for x
    x = 773,821,972.76/26,472.32
  6. Step 6: Final answer
    x = 29,231.36

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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.