Home / 27,411.40-41,126.70-11,840.20

Finding the Fourth Proportional to 27,411.40, 41,126.70 and 11,840.20

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Solution

The fourth proportional to 27,411.40, 41,126.70 and 11,840.20 is: 17,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,411.40 : 41,126.70 = 11,840.20 : x
  2. Step 2: Convert to fraction form
    27,411.40/41,126.70 = 11,840.20/x
  3. Step 3: Cross multiply
    27,411.40x = 41,126.70 × 11,840.20
  4. Step 4: Simplify right side
    27,411.40x = 486,948,353.34
  5. Step 5: Solve for x
    x = 486,948,353.34/27,411.40
  6. Step 6: Final answer
    x = 17,764.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.