Home / 26,876.40-40,302.45-12,077.70

Finding the Fourth Proportional to 26,876.40, 40,302.45 and 12,077.70

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Solution

The fourth proportional to 26,876.40, 40,302.45 and 12,077.70 is: 18,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,876.40 : 40,302.45 = 12,077.70 : x
  2. Step 2: Convert to fraction form
    26,876.40/40,302.45 = 12,077.70/x
  3. Step 3: Cross multiply
    26,876.40x = 40,302.45 × 12,077.70
  4. Step 4: Simplify right side
    26,876.40x = 486,760,900.37
  5. Step 5: Solve for x
    x = 486,760,900.37/26,876.40
  6. Step 6: Final answer
    x = 18,111.09

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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.