Home / 28,267.57-42,402.84-8,545.63

Finding the Fourth Proportional to 28,267.57, 42,402.84 and 8,545.63

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Solution

The fourth proportional to 28,267.57, 42,402.84 and 8,545.63 is: 12,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267.57 : 42,402.84 = 8,545.63 : x
  2. Step 2: Convert to fraction form
    28,267.57/42,402.84 = 8,545.63/x
  3. Step 3: Cross multiply
    28,267.57x = 42,402.84 × 8,545.63
  4. Step 4: Simplify right side
    28,267.57x = 362,358,769.58
  5. Step 5: Solve for x
    x = 362,358,769.58/28,267.57
  6. Step 6: Final answer
    x = 12,818.89

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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.