Home / 26,990.47-40,484.55-9,222.72

Finding the Fourth Proportional to 26,990.47, 40,484.55 and 9,222.72

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Solution

The fourth proportional to 26,990.47, 40,484.55 and 9,222.72 is: 13,833.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.47 : 40,484.55 = 9,222.72 : x
  2. Step 2: Convert to fraction form
    26,990.47/40,484.55 = 9,222.72/x
  3. Step 3: Cross multiply
    26,990.47x = 40,484.55 × 9,222.72
  4. Step 4: Simplify right side
    26,990.47x = 373,377,668.98
  5. Step 5: Solve for x
    x = 373,377,668.98/26,990.47
  6. Step 6: Final answer
    x = 13,833.69

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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.