Home / 25,159.59-34,714.94-13,981.35

Finding the Fourth Proportional to 25,159.59, 34,714.94 and 13,981.35

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Solution

The fourth proportional to 25,159.59, 34,714.94 and 13,981.35 is: 19,291.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,159.59 : 34,714.94 = 13,981.35 : x
  2. Step 2: Convert to fraction form
    25,159.59/34,714.94 = 13,981.35/x
  3. Step 3: Cross multiply
    25,159.59x = 34,714.94 × 13,981.35
  4. Step 4: Simplify right side
    25,159.59x = 485,361,656.46
  5. Step 5: Solve for x
    x = 485,361,656.46/25,159.59
  6. Step 6: Final answer
    x = 19,291.32

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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.