Home / 25,159.08-34,718.58-13,981.80

Finding the Fourth Proportional to 25,159.08, 34,718.58 and 13,981.80

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Solution

The fourth proportional to 25,159.08, 34,718.58 and 13,981.80 is: 19,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,159.08 : 34,718.58 = 13,981.80 : x
  2. Step 2: Convert to fraction form
    25,159.08/34,718.58 = 13,981.80/x
  3. Step 3: Cross multiply
    25,159.08x = 34,718.58 × 13,981.80
  4. Step 4: Simplify right side
    25,159.08x = 485,428,241.84
  5. Step 5: Solve for x
    x = 485,428,241.84/25,159.08
  6. Step 6: Final answer
    x = 19,294.36

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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.