Home / 27,930.32-38,547.20-15,997.52

Finding the Fourth Proportional to 27,930.32, 38,547.20 and 15,997.52

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Solution

The fourth proportional to 27,930.32, 38,547.20 and 15,997.52 is: 22,078.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.32 : 38,547.20 = 15,997.52 : x
  2. Step 2: Convert to fraction form
    27,930.32/38,547.20 = 15,997.52/x
  3. Step 3: Cross multiply
    27,930.32x = 38,547.20 × 15,997.52
  4. Step 4: Simplify right side
    27,930.32x = 616,659,602.94
  5. Step 5: Solve for x
    x = 616,659,602.94/27,930.32
  6. Step 6: Final answer
    x = 22,078.50

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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.