Home / 27,962.16-38,588.04-15,386.96

Finding the Fourth Proportional to 27,962.16, 38,588.04 and 15,386.96

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Solution

The fourth proportional to 27,962.16, 38,588.04 and 15,386.96 is: 21,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,962.16 : 38,588.04 = 15,386.96 : x
  2. Step 2: Convert to fraction form
    27,962.16/38,588.04 = 15,386.96/x
  3. Step 3: Cross multiply
    27,962.16x = 38,588.04 × 15,386.96
  4. Step 4: Simplify right side
    27,962.16x = 593,752,627.96
  5. Step 5: Solve for x
    x = 593,752,627.96/27,962.16
  6. Step 6: Final answer
    x = 21,234.15

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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.