Home / 28,229.76-42,339.24-10,693.80

Finding the Fourth Proportional to 28,229.76, 42,339.24 and 10,693.80

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Solution

The fourth proportional to 28,229.76, 42,339.24 and 10,693.80 is: 16,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229.76 : 42,339.24 = 10,693.80 : x
  2. Step 2: Convert to fraction form
    28,229.76/42,339.24 = 10,693.80/x
  3. Step 3: Cross multiply
    28,229.76x = 42,339.24 × 10,693.80
  4. Step 4: Simplify right side
    28,229.76x = 452,767,364.71
  5. Step 5: Solve for x
    x = 452,767,364.71/28,229.76
  6. Step 6: Final answer
    x = 16,038.65

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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.