Home / 26,990.29-37,246.71-15,661.99

Finding the Fourth Proportional to 26,990.29, 37,246.71 and 15,661.99

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Solution

The fourth proportional to 26,990.29, 37,246.71 and 15,661.99 is: 21,613.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.29 : 37,246.71 = 15,661.99 : x
  2. Step 2: Convert to fraction form
    26,990.29/37,246.71 = 15,661.99/x
  3. Step 3: Cross multiply
    26,990.29x = 37,246.71 × 15,661.99
  4. Step 4: Simplify right side
    26,990.29x = 583,357,599.55
  5. Step 5: Solve for x
    x = 583,357,599.55/26,990.29
  6. Step 6: Final answer
    x = 21,613.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.