Home / 27,795.62-38,363.91-17,721.74

Finding the Fourth Proportional to 27,795.62, 38,363.91 and 17,721.74

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Solution

The fourth proportional to 27,795.62, 38,363.91 and 17,721.74 is: 24,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.62 : 38,363.91 = 17,721.74 : x
  2. Step 2: Convert to fraction form
    27,795.62/38,363.91 = 17,721.74/x
  3. Step 3: Cross multiply
    27,795.62x = 38,363.91 × 17,721.74
  4. Step 4: Simplify right side
    27,795.62x = 679,875,238.40
  5. Step 5: Solve for x
    x = 679,875,238.40/27,795.62
  6. Step 6: Final answer
    x = 24,459.80

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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.