Home / 26,192.40-39,289.90-7,475.20

Finding the Fourth Proportional to 26,192.40, 39,289.90 and 7,475.20

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Solution

The fourth proportional to 26,192.40, 39,289.90 and 7,475.20 is: 11,213.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,192.40 : 39,289.90 = 7,475.20 : x
  2. Step 2: Convert to fraction form
    26,192.40/39,289.90 = 7,475.20/x
  3. Step 3: Cross multiply
    26,192.40x = 39,289.90 × 7,475.20
  4. Step 4: Simplify right side
    26,192.40x = 293,699,860.48
  5. Step 5: Solve for x
    x = 293,699,860.48/26,192.40
  6. Step 6: Final answer
    x = 11,213.17

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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.