Home / 25,306.74-34,870.77-21,516.66

Finding the Fourth Proportional to 25,306.74, 34,870.77 and 21,516.66

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Solution

The fourth proportional to 25,306.74, 34,870.77 and 21,516.66 is: 29,648.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,306.74 : 34,870.77 = 21,516.66 : x
  2. Step 2: Convert to fraction form
    25,306.74/34,870.77 = 21,516.66/x
  3. Step 3: Cross multiply
    25,306.74x = 34,870.77 × 21,516.66
  4. Step 4: Simplify right side
    25,306.74x = 750,302,502.03
  5. Step 5: Solve for x
    x = 750,302,502.03/25,306.74
  6. Step 6: Final answer
    x = 29,648.33

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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.