Home / 25,177.36-34,752.06-15,620.16

Finding the Fourth Proportional to 25,177.36, 34,752.06 and 15,620.16

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Solution

The fourth proportional to 25,177.36, 34,752.06 and 15,620.16 is: 21,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,177.36 : 34,752.06 = 15,620.16 : x
  2. Step 2: Convert to fraction form
    25,177.36/34,752.06 = 15,620.16/x
  3. Step 3: Cross multiply
    25,177.36x = 34,752.06 × 15,620.16
  4. Step 4: Simplify right side
    25,177.36x = 542,832,737.53
  5. Step 5: Solve for x
    x = 542,832,737.53/25,177.36
  6. Step 6: Final answer
    x = 21,560.35

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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.