Home / 28,166.67-42,291.52-15,711.03

Finding the Fourth Proportional to 28,166.67, 42,291.52 and 15,711.03

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Solution

The fourth proportional to 28,166.67, 42,291.52 and 15,711.03 is: 23,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166.67 : 42,291.52 = 15,711.03 : x
  2. Step 2: Convert to fraction form
    28,166.67/42,291.52 = 15,711.03/x
  3. Step 3: Cross multiply
    28,166.67x = 42,291.52 × 15,711.03
  4. Step 4: Simplify right side
    28,166.67x = 664,443,300.19
  5. Step 5: Solve for x
    x = 664,443,300.19/28,166.67
  6. Step 6: Final answer
    x = 23,589.70

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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.