Home / 25,869.28-38,804.16-10,290.88

Finding the Fourth Proportional to 25,869.28, 38,804.16 and 10,290.88

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Solution

The fourth proportional to 25,869.28, 38,804.16 and 10,290.88 is: 15,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,869.28 : 38,804.16 = 10,290.88 : x
  2. Step 2: Convert to fraction form
    25,869.28/38,804.16 = 10,290.88/x
  3. Step 3: Cross multiply
    25,869.28x = 38,804.16 × 10,290.88
  4. Step 4: Simplify right side
    25,869.28x = 399,328,954.06
  5. Step 5: Solve for x
    x = 399,328,954.06/25,869.28
  6. Step 6: Final answer
    x = 15,436.42

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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.