Home / 15,085.86-22,629.95-3,992.27

Finding the Fourth Proportional to 15,085.86, 22,629.95 and 3,992.27

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Solution

The fourth proportional to 15,085.86, 22,629.95 and 3,992.27 is: 5,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,085.86 : 22,629.95 = 3,992.27 : x
  2. Step 2: Convert to fraction form
    15,085.86/22,629.95 = 3,992.27/x
  3. Step 3: Cross multiply
    15,085.86x = 22,629.95 × 3,992.27
  4. Step 4: Simplify right side
    15,085.86x = 90,344,737.38
  5. Step 5: Solve for x
    x = 90,344,737.38/15,085.86
  6. Step 6: Final answer
    x = 5,988.70

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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.