Home / 25,020.30-34,526.62-13,687.76

Finding the Fourth Proportional to 25,020.30, 34,526.62 and 13,687.76

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Solution

The fourth proportional to 25,020.30, 34,526.62 and 13,687.76 is: 18,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,020.30 : 34,526.62 = 13,687.76 : x
  2. Step 2: Convert to fraction form
    25,020.30/34,526.62 = 13,687.76/x
  3. Step 3: Cross multiply
    25,020.30x = 34,526.62 × 13,687.76
  4. Step 4: Simplify right side
    25,020.30x = 472,592,088.17
  5. Step 5: Solve for x
    x = 472,592,088.17/25,020.30
  6. Step 6: Final answer
    x = 18,888.35

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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.