Home / 28,024.80-38,673.05-15,277.71

Finding the Fourth Proportional to 28,024.80, 38,673.05 and 15,277.71

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Solution

The fourth proportional to 28,024.80, 38,673.05 and 15,277.71 is: 21,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024.80 : 38,673.05 = 15,277.71 : x
  2. Step 2: Convert to fraction form
    28,024.80/38,673.05 = 15,277.71/x
  3. Step 3: Cross multiply
    28,024.80x = 38,673.05 × 15,277.71
  4. Step 4: Simplify right side
    28,024.80x = 590,835,566.33
  5. Step 5: Solve for x
    x = 590,835,566.33/28,024.80
  6. Step 6: Final answer
    x = 21,082.60

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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.