Home / 27,940.94-38,547.58-15,997.90

Finding the Fourth Proportional to 27,940.94, 38,547.58 and 15,997.90

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Solution

The fourth proportional to 27,940.94, 38,547.58 and 15,997.90 is: 22,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.94 : 38,547.58 = 15,997.90 : x
  2. Step 2: Convert to fraction form
    27,940.94/38,547.58 = 15,997.90/x
  3. Step 3: Cross multiply
    27,940.94x = 38,547.58 × 15,997.90
  4. Step 4: Simplify right side
    27,940.94x = 616,680,330.08
  5. Step 5: Solve for x
    x = 616,680,330.08/27,940.94
  6. Step 6: Final answer
    x = 22,070.85

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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.