Home / 25,008.77-34,512.98-13,677.59

Finding the Fourth Proportional to 25,008.77, 34,512.98 and 13,677.59

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Solution

The fourth proportional to 25,008.77, 34,512.98 and 13,677.59 is: 18,875.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,008.77 : 34,512.98 = 13,677.59 : x
  2. Step 2: Convert to fraction form
    25,008.77/34,512.98 = 13,677.59/x
  3. Step 3: Cross multiply
    25,008.77x = 34,512.98 × 13,677.59
  4. Step 4: Simplify right side
    25,008.77x = 472,054,149.17
  5. Step 5: Solve for x
    x = 472,054,149.17/25,008.77
  6. Step 6: Final answer
    x = 18,875.55

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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.