Home / 27,541.24-38,005.68-15,603.88

Finding the Fourth Proportional to 27,541.24, 38,005.68 and 15,603.88

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Solution

The fourth proportional to 27,541.24, 38,005.68 and 15,603.88 is: 21,532.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,541.24 : 38,005.68 = 15,603.88 : x
  2. Step 2: Convert to fraction form
    27,541.24/38,005.68 = 15,603.88/x
  3. Step 3: Cross multiply
    27,541.24x = 38,005.68 × 15,603.88
  4. Step 4: Simplify right side
    27,541.24x = 593,036,070.04
  5. Step 5: Solve for x
    x = 593,036,070.04/27,541.24
  6. Step 6: Final answer
    x = 21,532.66

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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.