Home / 23,177.25-31,990.14-13,751.28

Finding the Fourth Proportional to 23,177.25, 31,990.14 and 13,751.28

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Solution

The fourth proportional to 23,177.25, 31,990.14 and 13,751.28 is: 18,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,177.25 : 31,990.14 = 13,751.28 : x
  2. Step 2: Convert to fraction form
    23,177.25/31,990.14 = 13,751.28/x
  3. Step 3: Cross multiply
    23,177.25x = 31,990.14 × 13,751.28
  4. Step 4: Simplify right side
    23,177.25x = 439,905,372.38
  5. Step 5: Solve for x
    x = 439,905,372.38/23,177.25
  6. Step 6: Final answer
    x = 18,980.05

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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.