Home / 27,528.13-38,000.46-18,587.76

Finding the Fourth Proportional to 27,528.13, 38,000.46 and 18,587.76

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Solution

The fourth proportional to 27,528.13, 38,000.46 and 18,587.76 is: 25,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,528.13 : 38,000.46 = 18,587.76 : x
  2. Step 2: Convert to fraction form
    27,528.13/38,000.46 = 18,587.76/x
  3. Step 3: Cross multiply
    27,528.13x = 38,000.46 × 18,587.76
  4. Step 4: Simplify right side
    27,528.13x = 706,343,430.37
  5. Step 5: Solve for x
    x = 706,343,430.37/27,528.13
  6. Step 6: Final answer
    x = 25,658.97

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Double scale
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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.