Home / 26,143.96-39,215.88-7,424.16

Finding the Fourth Proportional to 26,143.96, 39,215.88 and 7,424.16

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Solution

The fourth proportional to 26,143.96, 39,215.88 and 7,424.16 is: 11,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.96 : 39,215.88 = 7,424.16 : x
  2. Step 2: Convert to fraction form
    26,143.96/39,215.88 = 7,424.16/x
  3. Step 3: Cross multiply
    26,143.96x = 39,215.88 × 7,424.16
  4. Step 4: Simplify right side
    26,143.96x = 291,144,967.66
  5. Step 5: Solve for x
    x = 291,144,967.66/26,143.96
  6. Step 6: Final answer
    x = 11,136.23

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Similar ratio
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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.