Home / 23,475.78-32,391.42-13,918.68

Finding the Fourth Proportional to 23,475.78, 32,391.42 and 13,918.68

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Solution

The fourth proportional to 23,475.78, 32,391.42 and 13,918.68 is: 19,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,475.78 : 32,391.42 = 13,918.68 : x
  2. Step 2: Convert to fraction form
    23,475.78/32,391.42 = 13,918.68/x
  3. Step 3: Cross multiply
    23,475.78x = 32,391.42 × 13,918.68
  4. Step 4: Simplify right side
    23,475.78x = 450,845,809.73
  5. Step 5: Solve for x
    x = 450,845,809.73/23,475.78
  6. Step 6: Final answer
    x = 19,204.72

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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.