Home / 28,452.17-42,657.12-13,646.99

Finding the Fourth Proportional to 28,452.17, 42,657.12 and 13,646.99

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Solution

The fourth proportional to 28,452.17, 42,657.12 and 13,646.99 is: 20,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452.17 : 42,657.12 = 13,646.99 : x
  2. Step 2: Convert to fraction form
    28,452.17/42,657.12 = 13,646.99/x
  3. Step 3: Cross multiply
    28,452.17x = 42,657.12 × 13,646.99
  4. Step 4: Simplify right side
    28,452.17x = 582,141,076.78
  5. Step 5: Solve for x
    x = 582,141,076.78/28,452.17
  6. Step 6: Final answer
    x = 20,460.34

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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.