Home / 28,282.40-42,337.20-22,061.60

Finding the Fourth Proportional to 28,282.40, 42,337.20 and 22,061.60

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Solution

The fourth proportional to 28,282.40, 42,337.20 and 22,061.60 is: 33,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,282.40 : 42,337.20 = 22,061.60 : x
  2. Step 2: Convert to fraction form
    28,282.40/42,337.20 = 22,061.60/x
  3. Step 3: Cross multiply
    28,282.40x = 42,337.20 × 22,061.60
  4. Step 4: Simplify right side
    28,282.40x = 934,026,371.52
  5. Step 5: Solve for x
    x = 934,026,371.52/28,282.40
  6. Step 6: Final answer
    x = 33,025.00

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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.