Home / 26,501.56-39,752.20-6,780.12

Finding the Fourth Proportional to 26,501.56, 39,752.20 and 6,780.12

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Solution

The fourth proportional to 26,501.56, 39,752.20 and 6,780.12 is: 10,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,501.56 : 39,752.20 = 6,780.12 : x
  2. Step 2: Convert to fraction form
    26,501.56/39,752.20 = 6,780.12/x
  3. Step 3: Cross multiply
    26,501.56x = 39,752.20 × 6,780.12
  4. Step 4: Simplify right side
    26,501.56x = 269,524,686.26
  5. Step 5: Solve for x
    x = 269,524,686.26/26,501.56
  6. Step 6: Final answer
    x = 10,170.14

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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.