Home / 28,232.48-42,352.84-15,077.68

Finding the Fourth Proportional to 28,232.48, 42,352.84 and 15,077.68

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Solution

The fourth proportional to 28,232.48, 42,352.84 and 15,077.68 is: 22,618.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232.48 : 42,352.84 = 15,077.68 : x
  2. Step 2: Convert to fraction form
    28,232.48/42,352.84 = 15,077.68/x
  3. Step 3: Cross multiply
    28,232.48x = 42,352.84 × 15,077.68
  4. Step 4: Simplify right side
    28,232.48x = 638,582,568.61
  5. Step 5: Solve for x
    x = 638,582,568.61/28,232.48
  6. Step 6: Final answer
    x = 22,618.72

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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.