Home / 25,642.49-38,463.35-13,155.32

Finding the Fourth Proportional to 25,642.49, 38,463.35 and 13,155.32

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Solution

The fourth proportional to 25,642.49, 38,463.35 and 13,155.32 is: 19,732.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,642.49 : 38,463.35 = 13,155.32 : x
  2. Step 2: Convert to fraction form
    25,642.49/38,463.35 = 13,155.32/x
  3. Step 3: Cross multiply
    25,642.49x = 38,463.35 × 13,155.32
  4. Step 4: Simplify right side
    25,642.49x = 505,997,583.34
  5. Step 5: Solve for x
    x = 505,997,583.34/25,642.49
  6. Step 6: Final answer
    x = 19,732.78

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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.