Home / 25,561.29-38,360.58-13,091.76

Finding the Fourth Proportional to 25,561.29, 38,360.58 and 13,091.76

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Solution

The fourth proportional to 25,561.29, 38,360.58 and 13,091.76 is: 19,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,561.29 : 38,360.58 = 13,091.76 : x
  2. Step 2: Convert to fraction form
    25,561.29/38,360.58 = 13,091.76/x
  3. Step 3: Cross multiply
    25,561.29x = 38,360.58 × 13,091.76
  4. Step 4: Simplify right side
    25,561.29x = 502,207,506.82
  5. Step 5: Solve for x
    x = 502,207,506.82/25,561.29
  6. Step 6: Final answer
    x = 19,647.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.