Home / 27,817.17-38,387.46-15,070.05

Finding the Fourth Proportional to 27,817.17, 38,387.46 and 15,070.05

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Solution

The fourth proportional to 27,817.17, 38,387.46 and 15,070.05 is: 20,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,817.17 : 38,387.46 = 15,070.05 : x
  2. Step 2: Convert to fraction form
    27,817.17/38,387.46 = 15,070.05/x
  3. Step 3: Cross multiply
    27,817.17x = 38,387.46 × 15,070.05
  4. Step 4: Simplify right side
    27,817.17x = 578,500,941.57
  5. Step 5: Solve for x
    x = 578,500,941.57/27,817.17
  6. Step 6: Final answer
    x = 20,796.54

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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.