Home / 38,828.53-58,242.80-12,537.15

Finding the Fourth Proportional to 38,828.53, 58,242.80 and 12,537.15

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Solution

The fourth proportional to 38,828.53, 58,242.80 and 12,537.15 is: 18,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,828.53 : 58,242.80 = 12,537.15 : x
  2. Step 2: Convert to fraction form
    38,828.53/58,242.80 = 12,537.15/x
  3. Step 3: Cross multiply
    38,828.53x = 58,242.80 × 12,537.15
  4. Step 4: Simplify right side
    38,828.53x = 730,198,532.95
  5. Step 5: Solve for x
    x = 730,198,532.95/38,828.53
  6. Step 6: Final answer
    x = 18,805.72

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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.