Home / 25,290.49-34,902.81-13,962.17

Finding the Fourth Proportional to 25,290.49, 34,902.81 and 13,962.17

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Solution

The fourth proportional to 25,290.49, 34,902.81 and 13,962.17 is: 19,268.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,290.49 : 34,902.81 = 13,962.17 : x
  2. Step 2: Convert to fraction form
    25,290.49/34,902.81 = 13,962.17/x
  3. Step 3: Cross multiply
    25,290.49x = 34,902.81 × 13,962.17
  4. Step 4: Simplify right side
    25,290.49x = 487,319,073.59
  5. Step 5: Solve for x
    x = 487,319,073.59/25,290.49
  6. Step 6: Final answer
    x = 19,268.87

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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.