Home / 26,424.90-39,618.54-12,377.34

Finding the Fourth Proportional to 26,424.90, 39,618.54 and 12,377.34

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Solution

The fourth proportional to 26,424.90, 39,618.54 and 12,377.34 is: 18,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,424.90 : 39,618.54 = 12,377.34 : x
  2. Step 2: Convert to fraction form
    26,424.90/39,618.54 = 12,377.34/x
  3. Step 3: Cross multiply
    26,424.90x = 39,618.54 × 12,377.34
  4. Step 4: Simplify right side
    26,424.90x = 490,372,139.88
  5. Step 5: Solve for x
    x = 490,372,139.88/26,424.90
  6. Step 6: Final answer
    x = 18,557.20

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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.