Home / 38,553.13-57,823.26-13,587.31

Finding the Fourth Proportional to 38,553.13, 57,823.26 and 13,587.31

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Solution

The fourth proportional to 38,553.13, 57,823.26 and 13,587.31 is: 20,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,553.13 : 57,823.26 = 13,587.31 : x
  2. Step 2: Convert to fraction form
    38,553.13/57,823.26 = 13,587.31/x
  3. Step 3: Cross multiply
    38,553.13x = 57,823.26 × 13,587.31
  4. Step 4: Simplify right side
    38,553.13x = 785,662,558.83
  5. Step 5: Solve for x
    x = 785,662,558.83/38,553.13
  6. Step 6: Final answer
    x = 20,378.70

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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.