Home / 41,432.40-57,157.12-28,008.32

Finding the Fourth Proportional to 41,432.40, 57,157.12 and 28,008.32

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Solution

The fourth proportional to 41,432.40, 57,157.12 and 28,008.32 is: 38,638.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,432.40 : 57,157.12 = 28,008.32 : x
  2. Step 2: Convert to fraction form
    41,432.40/57,157.12 = 28,008.32/x
  3. Step 3: Cross multiply
    41,432.40x = 57,157.12 × 28,008.32
  4. Step 4: Simplify right side
    41,432.40x = 1,600,874,907.24
  5. Step 5: Solve for x
    x = 1,600,874,907.24/41,432.40
  6. Step 6: Final answer
    x = 38,638.24

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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.