Home / 25,685.02-38,468.40-13,174.30

Finding the Fourth Proportional to 25,685.02, 38,468.40 and 13,174.30

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Solution

The fourth proportional to 25,685.02, 38,468.40 and 13,174.30 is: 19,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.02 : 38,468.40 = 13,174.30 : x
  2. Step 2: Convert to fraction form
    25,685.02/38,468.40 = 13,174.30/x
  3. Step 3: Cross multiply
    25,685.02x = 38,468.40 × 13,174.30
  4. Step 4: Simplify right side
    25,685.02x = 506,794,242.12
  5. Step 5: Solve for x
    x = 506,794,242.12/25,685.02
  6. Step 6: Final answer
    x = 19,731.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.