Home / 28,206.47-42,310.88-23,266.91

Finding the Fourth Proportional to 28,206.47, 42,310.88 and 23,266.91

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Solution

The fourth proportional to 28,206.47, 42,310.88 and 23,266.91 is: 34,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206.47 : 42,310.88 = 23,266.91 : x
  2. Step 2: Convert to fraction form
    28,206.47/42,310.88 = 23,266.91/x
  3. Step 3: Cross multiply
    28,206.47x = 42,310.88 × 23,266.91
  4. Step 4: Simplify right side
    28,206.47x = 984,443,513.67
  5. Step 5: Solve for x
    x = 984,443,513.67/28,206.47
  6. Step 6: Final answer
    x = 34,901.33

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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.