Home / 27,542.79-38,009.10-16,212.31

Finding the Fourth Proportional to 27,542.79, 38,009.10 and 16,212.31

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Solution

The fourth proportional to 27,542.79, 38,009.10 and 16,212.31 is: 22,373.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,542.79 : 38,009.10 = 16,212.31 : x
  2. Step 2: Convert to fraction form
    27,542.79/38,009.10 = 16,212.31/x
  3. Step 3: Cross multiply
    27,542.79x = 38,009.10 × 16,212.31
  4. Step 4: Simplify right side
    27,542.79x = 616,215,312.02
  5. Step 5: Solve for x
    x = 616,215,312.02/27,542.79
  6. Step 6: Final answer
    x = 22,373.02

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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.