Home / 28,454.99-42,680.79-8,733.71

Finding the Fourth Proportional to 28,454.99, 42,680.79 and 8,733.71

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Solution

The fourth proportional to 28,454.99, 42,680.79 and 8,733.71 is: 13,100.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,454.99 : 42,680.79 = 8,733.71 : x
  2. Step 2: Convert to fraction form
    28,454.99/42,680.79 = 8,733.71/x
  3. Step 3: Cross multiply
    28,454.99x = 42,680.79 × 8,733.71
  4. Step 4: Simplify right side
    28,454.99x = 372,761,749.13
  5. Step 5: Solve for x
    x = 372,761,749.13/28,454.99
  6. Step 6: Final answer
    x = 13,100.05

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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.