Home / 26,432.40-39,638.40-7,706.16

Finding the Fourth Proportional to 26,432.40, 39,638.40 and 7,706.16

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Solution

The fourth proportional to 26,432.40, 39,638.40 and 7,706.16 is: 11,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,432.40 : 39,638.40 = 7,706.16 : x
  2. Step 2: Convert to fraction form
    26,432.40/39,638.40 = 7,706.16/x
  3. Step 3: Cross multiply
    26,432.40x = 39,638.40 × 7,706.16
  4. Step 4: Simplify right side
    26,432.40x = 305,459,852.54
  5. Step 5: Solve for x
    x = 305,459,852.54/26,432.40
  6. Step 6: Final answer
    x = 11,556.27

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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.