Home / 25,569.80-38,305.56-15,680.24

Finding the Fourth Proportional to 25,569.80, 38,305.56 and 15,680.24

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Solution

The fourth proportional to 25,569.80, 38,305.56 and 15,680.24 is: 23,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,569.80 : 38,305.56 = 15,680.24 : x
  2. Step 2: Convert to fraction form
    25,569.80/38,305.56 = 15,680.24/x
  3. Step 3: Cross multiply
    25,569.80x = 38,305.56 × 15,680.24
  4. Step 4: Simplify right side
    25,569.80x = 600,640,374.13
  5. Step 5: Solve for x
    x = 600,640,374.13/25,569.80
  6. Step 6: Final answer
    x = 23,490.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.