Home / 25,405.68-38,122.29-10,615.89

Finding the Fourth Proportional to 25,405.68, 38,122.29 and 10,615.89

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Solution

The fourth proportional to 25,405.68, 38,122.29 and 10,615.89 is: 15,929.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,405.68 : 38,122.29 = 10,615.89 : x
  2. Step 2: Convert to fraction form
    25,405.68/38,122.29 = 10,615.89/x
  3. Step 3: Cross multiply
    25,405.68x = 38,122.29 × 10,615.89
  4. Step 4: Simplify right side
    25,405.68x = 404,702,037.19
  5. Step 5: Solve for x
    x = 404,702,037.19/25,405.68
  6. Step 6: Final answer
    x = 15,929.59

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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.