Home / 27,898.77-38,507.22-15,968.91

Finding the Fourth Proportional to 27,898.77, 38,507.22 and 15,968.91

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Solution

The fourth proportional to 27,898.77, 38,507.22 and 15,968.91 is: 22,041.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,898.77 : 38,507.22 = 15,968.91 : x
  2. Step 2: Convert to fraction form
    27,898.77/38,507.22 = 15,968.91/x
  3. Step 3: Cross multiply
    27,898.77x = 38,507.22 × 15,968.91
  4. Step 4: Simplify right side
    27,898.77x = 614,918,330.53
  5. Step 5: Solve for x
    x = 614,918,330.53/27,898.77
  6. Step 6: Final answer
    x = 22,041.06

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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.