Home / 28,115.09-38,827.88-24,320.04

Finding the Fourth Proportional to 28,115.09, 38,827.88 and 24,320.04

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Solution

The fourth proportional to 28,115.09, 38,827.88 and 24,320.04 is: 33,586.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,115.09 : 38,827.88 = 24,320.04 : x
  2. Step 2: Convert to fraction form
    28,115.09/38,827.88 = 24,320.04/x
  3. Step 3: Cross multiply
    28,115.09x = 38,827.88 × 24,320.04
  4. Step 4: Simplify right side
    28,115.09x = 944,295,418.71
  5. Step 5: Solve for x
    x = 944,295,418.71/28,115.09
  6. Step 6: Final answer
    x = 33,586.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.