Home / 25,142.08-34,695.12-13,964.80

Finding the Fourth Proportional to 25,142.08, 34,695.12 and 13,964.80

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Solution

The fourth proportional to 25,142.08, 34,695.12 and 13,964.80 is: 19,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,142.08 : 34,695.12 = 13,964.80 : x
  2. Step 2: Convert to fraction form
    25,142.08/34,695.12 = 13,964.80/x
  3. Step 3: Cross multiply
    25,142.08x = 34,695.12 × 13,964.80
  4. Step 4: Simplify right side
    25,142.08x = 484,510,411.78
  5. Step 5: Solve for x
    x = 484,510,411.78/25,142.08
  6. Step 6: Final answer
    x = 19,270.90

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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.