Home / 27,712.48-38,231.05-16,957.87

Finding the Fourth Proportional to 27,712.48, 38,231.05 and 16,957.87

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Solution

The fourth proportional to 27,712.48, 38,231.05 and 16,957.87 is: 23,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,712.48 : 38,231.05 = 16,957.87 : x
  2. Step 2: Convert to fraction form
    27,712.48/38,231.05 = 16,957.87/x
  3. Step 3: Cross multiply
    27,712.48x = 38,231.05 × 16,957.87
  4. Step 4: Simplify right side
    27,712.48x = 648,316,899.92
  5. Step 5: Solve for x
    x = 648,316,899.92/27,712.48
  6. Step 6: Final answer
    x = 23,394.40

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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.