Home / 19,939.56-29,673.97-19,275.15

Finding the Fourth Proportional to 19,939.56, 29,673.97 and 19,275.15

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Solution

The fourth proportional to 19,939.56, 29,673.97 and 19,275.15 is: 28,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.56 : 29,673.97 = 19,275.15 : x
  2. Step 2: Convert to fraction form
    19,939.56/29,673.97 = 19,275.15/x
  3. Step 3: Cross multiply
    19,939.56x = 29,673.97 × 19,275.15
  4. Step 4: Simplify right side
    19,939.56x = 571,970,200.65
  5. Step 5: Solve for x
    x = 571,970,200.65/19,939.56
  6. Step 6: Final answer
    x = 28,685.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.