Home / 26,717.48-36,870.47-15,388.96

Finding the Fourth Proportional to 26,717.48, 36,870.47 and 15,388.96

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Solution

The fourth proportional to 26,717.48, 36,870.47 and 15,388.96 is: 21,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,717.48 : 36,870.47 = 15,388.96 : x
  2. Step 2: Convert to fraction form
    26,717.48/36,870.47 = 15,388.96/x
  3. Step 3: Cross multiply
    26,717.48x = 36,870.47 × 15,388.96
  4. Step 4: Simplify right side
    26,717.48x = 567,398,188.01
  5. Step 5: Solve for x
    x = 567,398,188.01/26,717.48
  6. Step 6: Final answer
    x = 21,236.97

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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.