Home / 25,047.68-34,566.96-13,869.92

Finding the Fourth Proportional to 25,047.68, 34,566.96 and 13,869.92

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Solution

The fourth proportional to 25,047.68, 34,566.96 and 13,869.92 is: 19,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,047.68 : 34,566.96 = 13,869.92 : x
  2. Step 2: Convert to fraction form
    25,047.68/34,566.96 = 13,869.92/x
  3. Step 3: Cross multiply
    25,047.68x = 34,566.96 × 13,869.92
  4. Step 4: Simplify right side
    25,047.68x = 479,440,969.84
  5. Step 5: Solve for x
    x = 479,440,969.84/25,047.68
  6. Step 6: Final answer
    x = 19,141.13

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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.