Home / 26,150.52-39,225.80-7,428.14

Finding the Fourth Proportional to 26,150.52, 39,225.80 and 7,428.14

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Solution

The fourth proportional to 26,150.52, 39,225.80 and 7,428.14 is: 11,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,150.52 : 39,225.80 = 7,428.14 : x
  2. Step 2: Convert to fraction form
    26,150.52/39,225.80 = 7,428.14/x
  3. Step 3: Cross multiply
    26,150.52x = 39,225.80 × 7,428.14
  4. Step 4: Simplify right side
    26,150.52x = 291,374,734.01
  5. Step 5: Solve for x
    x = 291,374,734.01/26,150.52
  6. Step 6: Final answer
    x = 11,142.22

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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.