Home / 28,006.29-42,013.53-10,237.82

Finding the Fourth Proportional to 28,006.29, 42,013.53 and 10,237.82

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Solution

The fourth proportional to 28,006.29, 42,013.53 and 10,237.82 is: 15,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006.29 : 42,013.53 = 10,237.82 : x
  2. Step 2: Convert to fraction form
    28,006.29/42,013.53 = 10,237.82/x
  3. Step 3: Cross multiply
    28,006.29x = 42,013.53 × 10,237.82
  4. Step 4: Simplify right side
    28,006.29x = 430,126,747.64
  5. Step 5: Solve for x
    x = 430,126,747.64/28,006.29
  6. Step 6: Final answer
    x = 15,358.22

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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.