Home / 26,438.48-39,648.54-10,638.80

Finding the Fourth Proportional to 26,438.48, 39,648.54 and 10,638.80

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Solution

The fourth proportional to 26,438.48, 39,648.54 and 10,638.80 is: 15,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.48 : 39,648.54 = 10,638.80 : x
  2. Step 2: Convert to fraction form
    26,438.48/39,648.54 = 10,638.80/x
  3. Step 3: Cross multiply
    26,438.48x = 39,648.54 × 10,638.80
  4. Step 4: Simplify right side
    26,438.48x = 421,812,887.35
  5. Step 5: Solve for x
    x = 421,812,887.35/26,438.48
  6. Step 6: Final answer
    x = 15,954.51

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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.