Home / 28,449.17-39,278.34-25,459.86

Finding the Fourth Proportional to 28,449.17, 39,278.34 and 25,459.86

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Solution

The fourth proportional to 28,449.17, 39,278.34 and 25,459.86 is: 35,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.17 : 39,278.34 = 25,459.86 : x
  2. Step 2: Convert to fraction form
    28,449.17/39,278.34 = 25,459.86/x
  3. Step 3: Cross multiply
    28,449.17x = 39,278.34 × 25,459.86
  4. Step 4: Simplify right side
    28,449.17x = 1,000,021,037.43
  5. Step 5: Solve for x
    x = 1,000,021,037.43/28,449.17
  6. Step 6: Final answer
    x = 35,151.16

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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.