Home / 23,515.62-35,275.47-7,715.91

Finding the Fourth Proportional to 23,515.62, 35,275.47 and 7,715.91

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Solution

The fourth proportional to 23,515.62, 35,275.47 and 7,715.91 is: 11,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.62 : 35,275.47 = 7,715.91 : x
  2. Step 2: Convert to fraction form
    23,515.62/35,275.47 = 7,715.91/x
  3. Step 3: Cross multiply
    23,515.62x = 35,275.47 × 7,715.91
  4. Step 4: Simplify right side
    23,515.62x = 272,182,351.73
  5. Step 5: Solve for x
    x = 272,182,351.73/23,515.62
  6. Step 6: Final answer
    x = 11,574.53

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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.