Home / 27,565.12-38,037.66-15,630.28

Finding the Fourth Proportional to 27,565.12, 38,037.66 and 15,630.28

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Solution

The fourth proportional to 27,565.12, 38,037.66 and 15,630.28 is: 21,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.12 : 38,037.66 = 15,630.28 : x
  2. Step 2: Convert to fraction form
    27,565.12/38,037.66 = 15,630.28/x
  3. Step 3: Cross multiply
    27,565.12x = 38,037.66 × 15,630.28
  4. Step 4: Simplify right side
    27,565.12x = 594,539,276.34
  5. Step 5: Solve for x
    x = 594,539,276.34/27,565.12
  6. Step 6: Final answer
    x = 21,568.54

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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.