Home / 28,332.12-42,516.90-28,113.24

Finding the Fourth Proportional to 28,332.12, 42,516.90 and 28,113.24

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Solution

The fourth proportional to 28,332.12, 42,516.90 and 28,113.24 is: 42,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,332.12 : 42,516.90 = 28,113.24 : x
  2. Step 2: Convert to fraction form
    28,332.12/42,516.90 = 28,113.24/x
  3. Step 3: Cross multiply
    28,332.12x = 42,516.90 × 28,113.24
  4. Step 4: Simplify right side
    28,332.12x = 1,195,287,813.76
  5. Step 5: Solve for x
    x = 1,195,287,813.76/28,332.12
  6. Step 6: Final answer
    x = 42,188.44

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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.