Home / 28,576.30-42,864.45-8,854.70

Finding the Fourth Proportional to 28,576.30, 42,864.45 and 8,854.70

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Solution

The fourth proportional to 28,576.30, 42,864.45 and 8,854.70 is: 13,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.30 : 42,864.45 = 8,854.70 : x
  2. Step 2: Convert to fraction form
    28,576.30/42,864.45 = 8,854.70/x
  3. Step 3: Cross multiply
    28,576.30x = 42,864.45 × 8,854.70
  4. Step 4: Simplify right side
    28,576.30x = 379,551,845.42
  5. Step 5: Solve for x
    x = 379,551,845.42/28,576.30
  6. Step 6: Final answer
    x = 13,282.05

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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.