Home / 28,854.17-43,286.04-10,129.35

Finding the Fourth Proportional to 28,854.17, 43,286.04 and 10,129.35

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Solution

The fourth proportional to 28,854.17, 43,286.04 and 10,129.35 is: 15,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.17 : 43,286.04 = 10,129.35 : x
  2. Step 2: Convert to fraction form
    28,854.17/43,286.04 = 10,129.35/x
  3. Step 3: Cross multiply
    28,854.17x = 43,286.04 × 10,129.35
  4. Step 4: Simplify right side
    28,854.17x = 438,459,182.20
  5. Step 5: Solve for x
    x = 438,459,182.20/28,854.17
  6. Step 6: Final answer
    x = 15,195.70

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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.