Home / 27,960.96-38,587.36-17,897.92

Finding the Fourth Proportional to 27,960.96, 38,587.36 and 17,897.92

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Solution

The fourth proportional to 27,960.96, 38,587.36 and 17,897.92 is: 24,699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960.96 : 38,587.36 = 17,897.92 : x
  2. Step 2: Convert to fraction form
    27,960.96/38,587.36 = 17,897.92/x
  3. Step 3: Cross multiply
    27,960.96x = 38,587.36 × 17,897.92
  4. Step 4: Simplify right side
    27,960.96x = 690,633,482.29
  5. Step 5: Solve for x
    x = 690,633,482.29/27,960.96
  6. Step 6: Final answer
    x = 24,699.92

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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.