Home / 27,259.20-37,621.68-15,323.52

Finding the Fourth Proportional to 27,259.20, 37,621.68 and 15,323.52

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Solution

The fourth proportional to 27,259.20, 37,621.68 and 15,323.52 is: 21,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,259.20 : 37,621.68 = 15,323.52 : x
  2. Step 2: Convert to fraction form
    27,259.20/37,621.68 = 15,323.52/x
  3. Step 3: Cross multiply
    27,259.20x = 37,621.68 × 15,323.52
  4. Step 4: Simplify right side
    27,259.20x = 576,496,565.91
  5. Step 5: Solve for x
    x = 576,496,565.91/27,259.20
  6. Step 6: Final answer
    x = 21,148.70

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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.