Home / 23,455.13-32,358.51-13,887.90

Finding the Fourth Proportional to 23,455.13, 32,358.51 and 13,887.90

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Solution

The fourth proportional to 23,455.13, 32,358.51 and 13,887.90 is: 19,159.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,455.13 : 32,358.51 = 13,887.90 : x
  2. Step 2: Convert to fraction form
    23,455.13/32,358.51 = 13,887.90/x
  3. Step 3: Cross multiply
    23,455.13x = 32,358.51 × 13,887.90
  4. Step 4: Simplify right side
    23,455.13x = 449,391,751.03
  5. Step 5: Solve for x
    x = 449,391,751.03/23,455.13
  6. Step 6: Final answer
    x = 19,159.64

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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.