Home / 28,013.57-42,033.11-10,484.76

Finding the Fourth Proportional to 28,013.57, 42,033.11 and 10,484.76

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Solution

The fourth proportional to 28,013.57, 42,033.11 and 10,484.76 is: 15,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013.57 : 42,033.11 = 10,484.76 : x
  2. Step 2: Convert to fraction form
    28,013.57/42,033.11 = 10,484.76/x
  3. Step 3: Cross multiply
    28,013.57x = 42,033.11 × 10,484.76
  4. Step 4: Simplify right side
    28,013.57x = 440,707,070.40
  5. Step 5: Solve for x
    x = 440,707,070.40/28,013.57
  6. Step 6: Final answer
    x = 15,731.91

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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.