Home / 38,280.85-52,827.62-21,284.91

Finding the Fourth Proportional to 38,280.85, 52,827.62 and 21,284.91

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Solution

The fourth proportional to 38,280.85, 52,827.62 and 21,284.91 is: 29,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,280.85 : 52,827.62 = 21,284.91 : x
  2. Step 2: Convert to fraction form
    38,280.85/52,827.62 = 21,284.91/x
  3. Step 3: Cross multiply
    38,280.85x = 52,827.62 × 21,284.91
  4. Step 4: Simplify right side
    38,280.85x = 1,124,431,150.52
  5. Step 5: Solve for x
    x = 1,124,431,150.52/38,280.85
  6. Step 6: Final answer
    x = 29,373.20

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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.