Home / 23,428.00-32,331.49-13,354.81

Finding the Fourth Proportional to 23,428.00, 32,331.49 and 13,354.81

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Solution

The fourth proportional to 23,428.00, 32,331.49 and 13,354.81 is: 18,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,428.00 : 32,331.49 = 13,354.81 : x
  2. Step 2: Convert to fraction form
    23,428.00/32,331.49 = 13,354.81/x
  3. Step 3: Cross multiply
    23,428.00x = 32,331.49 × 13,354.81
  4. Step 4: Simplify right side
    23,428.00x = 431,780,791.75
  5. Step 5: Solve for x
    x = 431,780,791.75/23,428.00
  6. Step 6: Final answer
    x = 18,430.12

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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.