Home / 28,246.68-38,969.30-16,307.71

Finding the Fourth Proportional to 28,246.68, 38,969.30 and 16,307.71

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Solution

The fourth proportional to 28,246.68, 38,969.30 and 16,307.71 is: 22,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.68 : 38,969.30 = 16,307.71 : x
  2. Step 2: Convert to fraction form
    28,246.68/38,969.30 = 16,307.71/x
  3. Step 3: Cross multiply
    28,246.68x = 38,969.30 × 16,307.71
  4. Step 4: Simplify right side
    28,246.68x = 635,499,986.65
  5. Step 5: Solve for x
    x = 635,499,986.65/28,246.68
  6. Step 6: Final answer
    x = 22,498.22

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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.