Home / 27,731.96-38,298.06-17,664.92

Finding the Fourth Proportional to 27,731.96, 38,298.06 and 17,664.92

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Solution

The fourth proportional to 27,731.96, 38,298.06 and 17,664.92 is: 24,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731.96 : 38,298.06 = 17,664.92 : x
  2. Step 2: Convert to fraction form
    27,731.96/38,298.06 = 17,664.92/x
  3. Step 3: Cross multiply
    27,731.96x = 38,298.06 × 17,664.92
  4. Step 4: Simplify right side
    27,731.96x = 676,532,166.06
  5. Step 5: Solve for x
    x = 676,532,166.06/27,731.96
  6. Step 6: Final answer
    x = 24,395.40

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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.