Home / 25,515.09-38,233.64-10,715.90

Finding the Fourth Proportional to 25,515.09, 38,233.64 and 10,715.90

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Solution

The fourth proportional to 25,515.09, 38,233.64 and 10,715.90 is: 16,057.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.09 : 38,233.64 = 10,715.90 : x
  2. Step 2: Convert to fraction form
    25,515.09/38,233.64 = 10,715.90/x
  3. Step 3: Cross multiply
    25,515.09x = 38,233.64 × 10,715.90
  4. Step 4: Simplify right side
    25,515.09x = 409,707,698.50
  5. Step 5: Solve for x
    x = 409,707,698.50/25,515.09
  6. Step 6: Final answer
    x = 16,057.47

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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.