Home / 28,454.47-42,680.09-8,733

Finding the Fourth Proportional to 28,454.47, 42,680.09 and 8,733

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Solution

The fourth proportional to 28,454.47, 42,680.09 and 8,733 is: 13,099.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,454.47 : 42,680.09 = 8,733 : x
  2. Step 2: Convert to fraction form
    28,454.47/42,680.09 = 8,733/x
  3. Step 3: Cross multiply
    28,454.47x = 42,680.09 × 8,733
  4. Step 4: Simplify right side
    28,454.47x = 372,725,225.97
  5. Step 5: Solve for x
    x = 372,725,225.97/28,454.47
  6. Step 6: Final answer
    x = 13,099.00

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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.