Home / 25,275.90-34,881.00-13,945.79

Finding the Fourth Proportional to 25,275.90, 34,881.00 and 13,945.79

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Solution

The fourth proportional to 25,275.90, 34,881.00 and 13,945.79 is: 19,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,275.90 : 34,881.00 = 13,945.79 : x
  2. Step 2: Convert to fraction form
    25,275.90/34,881.00 = 13,945.79/x
  3. Step 3: Cross multiply
    25,275.90x = 34,881.00 × 13,945.79
  4. Step 4: Simplify right side
    25,275.90x = 486,442,874.29
  5. Step 5: Solve for x
    x = 486,442,874.29/25,275.90
  6. Step 6: Final answer
    x = 19,245.33

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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.