Home / 28,442.12-39,250.32-16,512.56

Finding the Fourth Proportional to 28,442.12, 39,250.32 and 16,512.56

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Solution

The fourth proportional to 28,442.12, 39,250.32 and 16,512.56 is: 22,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,442.12 : 39,250.32 = 16,512.56 : x
  2. Step 2: Convert to fraction form
    28,442.12/39,250.32 = 16,512.56/x
  3. Step 3: Cross multiply
    28,442.12x = 39,250.32 × 16,512.56
  4. Step 4: Simplify right side
    28,442.12x = 648,123,264.02
  5. Step 5: Solve for x
    x = 648,123,264.02/28,442.12
  6. Step 6: Final answer
    x = 22,787.45

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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.