Home / 28,452.04-39,264.42-15,876.52

Finding the Fourth Proportional to 28,452.04, 39,264.42 and 15,876.52

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Solution

The fourth proportional to 28,452.04, 39,264.42 and 15,876.52 is: 21,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452.04 : 39,264.42 = 15,876.52 : x
  2. Step 2: Convert to fraction form
    28,452.04/39,264.42 = 15,876.52/x
  3. Step 3: Cross multiply
    28,452.04x = 39,264.42 × 15,876.52
  4. Step 4: Simplify right side
    28,452.04x = 623,382,349.42
  5. Step 5: Solve for x
    x = 623,382,349.42/28,452.04
  6. Step 6: Final answer
    x = 21,909.94

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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.