Home / 25,280.28-34,875.90-15,847.02

Finding the Fourth Proportional to 25,280.28, 34,875.90 and 15,847.02

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Solution

The fourth proportional to 25,280.28, 34,875.90 and 15,847.02 is: 21,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.28 : 34,875.90 = 15,847.02 : x
  2. Step 2: Convert to fraction form
    25,280.28/34,875.90 = 15,847.02/x
  3. Step 3: Cross multiply
    25,280.28x = 34,875.90 × 15,847.02
  4. Step 4: Simplify right side
    25,280.28x = 552,679,084.82
  5. Step 5: Solve for x
    x = 552,679,084.82/25,280.28
  6. Step 6: Final answer
    x = 21,862.06

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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.