Home / 27,045.47-37,320.23-15,714.85

Finding the Fourth Proportional to 27,045.47, 37,320.23 and 15,714.85

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Solution

The fourth proportional to 27,045.47, 37,320.23 and 15,714.85 is: 21,685.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,045.47 : 37,320.23 = 15,714.85 : x
  2. Step 2: Convert to fraction form
    27,045.47/37,320.23 = 15,714.85/x
  3. Step 3: Cross multiply
    27,045.47x = 37,320.23 × 15,714.85
  4. Step 4: Simplify right side
    27,045.47x = 586,481,629.81
  5. Step 5: Solve for x
    x = 586,481,629.81/27,045.47
  6. Step 6: Final answer
    x = 21,685.02

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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.