Home / 25,023.81-34,454.16-21,239.08

Finding the Fourth Proportional to 25,023.81, 34,454.16 and 21,239.08

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Solution

The fourth proportional to 25,023.81, 34,454.16 and 21,239.08 is: 29,243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,023.81 : 34,454.16 = 21,239.08 : x
  2. Step 2: Convert to fraction form
    25,023.81/34,454.16 = 21,239.08/x
  3. Step 3: Cross multiply
    25,023.81x = 34,454.16 × 21,239.08
  4. Step 4: Simplify right side
    25,023.81x = 731,774,660.57
  5. Step 5: Solve for x
    x = 731,774,660.57/25,023.81
  6. Step 6: Final answer
    x = 29,243.14

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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.