Home / 25,618.02-38,432.50-8,979.07

Finding the Fourth Proportional to 25,618.02, 38,432.50 and 8,979.07

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Solution

The fourth proportional to 25,618.02, 38,432.50 and 8,979.07 is: 13,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.02 : 38,432.50 = 8,979.07 : x
  2. Step 2: Convert to fraction form
    25,618.02/38,432.50 = 8,979.07/x
  3. Step 3: Cross multiply
    25,618.02x = 38,432.50 × 8,979.07
  4. Step 4: Simplify right side
    25,618.02x = 345,087,989.25
  5. Step 5: Solve for x
    x = 345,087,989.25/25,618.02
  6. Step 6: Final answer
    x = 13,470.52

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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.