Home / 28,232.13-42,314.01-15,738.89

Finding the Fourth Proportional to 28,232.13, 42,314.01 and 15,738.89

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Solution

The fourth proportional to 28,232.13, 42,314.01 and 15,738.89 is: 23,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232.13 : 42,314.01 = 15,738.89 : x
  2. Step 2: Convert to fraction form
    28,232.13/42,314.01 = 15,738.89/x
  3. Step 3: Cross multiply
    28,232.13x = 42,314.01 × 15,738.89
  4. Step 4: Simplify right side
    28,232.13x = 665,975,337.28
  5. Step 5: Solve for x
    x = 665,975,337.28/28,232.13
  6. Step 6: Final answer
    x = 23,589.27

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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.