Home / 25,487.02-38,216.48-13,654.66

Finding the Fourth Proportional to 25,487.02, 38,216.48 and 13,654.66

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Solution

The fourth proportional to 25,487.02, 38,216.48 and 13,654.66 is: 20,474.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.02 : 38,216.48 = 13,654.66 : x
  2. Step 2: Convert to fraction form
    25,487.02/38,216.48 = 13,654.66/x
  3. Step 3: Cross multiply
    25,487.02x = 38,216.48 × 13,654.66
  4. Step 4: Simplify right side
    25,487.02x = 521,833,040.80
  5. Step 5: Solve for x
    x = 521,833,040.80/25,487.02
  6. Step 6: Final answer
    x = 20,474.46

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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.