Home / 28,032.76-42,043.32-8,306.68

Finding the Fourth Proportional to 28,032.76, 42,043.32 and 8,306.68

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Solution

The fourth proportional to 28,032.76, 42,043.32 and 8,306.68 is: 12,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.76 : 42,043.32 = 8,306.68 : x
  2. Step 2: Convert to fraction form
    28,032.76/42,043.32 = 8,306.68/x
  3. Step 3: Cross multiply
    28,032.76x = 42,043.32 × 8,306.68
  4. Step 4: Simplify right side
    28,032.76x = 349,240,405.38
  5. Step 5: Solve for x
    x = 349,240,405.38/28,032.76
  6. Step 6: Final answer
    x = 12,458.30

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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.