Home / 28,024.22-38,672.65-15,277.65

Finding the Fourth Proportional to 28,024.22, 38,672.65 and 15,277.65

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Solution

The fourth proportional to 28,024.22, 38,672.65 and 15,277.65 is: 21,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024.22 : 38,672.65 = 15,277.65 : x
  2. Step 2: Convert to fraction form
    28,024.22/38,672.65 = 15,277.65/x
  3. Step 3: Cross multiply
    28,024.22x = 38,672.65 × 15,277.65
  4. Step 4: Simplify right side
    28,024.22x = 590,827,173.08
  5. Step 5: Solve for x
    x = 590,827,173.08/28,024.22
  6. Step 6: Final answer
    x = 21,082.73

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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.