Home / 25,348.02-38,021.61-7,578.72

Finding the Fourth Proportional to 25,348.02, 38,021.61 and 7,578.72

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Solution

The fourth proportional to 25,348.02, 38,021.61 and 7,578.72 is: 11,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,348.02 : 38,021.61 = 7,578.72 : x
  2. Step 2: Convert to fraction form
    25,348.02/38,021.61 = 7,578.72/x
  3. Step 3: Cross multiply
    25,348.02x = 38,021.61 × 7,578.72
  4. Step 4: Simplify right side
    25,348.02x = 288,155,136.14
  5. Step 5: Solve for x
    x = 288,155,136.14/25,348.02
  6. Step 6: Final answer
    x = 11,367.95

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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.