Home / 26,754.81-40,136.76-13,434.15

Finding the Fourth Proportional to 26,754.81, 40,136.76 and 13,434.15

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Solution

The fourth proportional to 26,754.81, 40,136.76 and 13,434.15 is: 20,153.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,754.81 : 40,136.76 = 13,434.15 : x
  2. Step 2: Convert to fraction form
    26,754.81/40,136.76 = 13,434.15/x
  3. Step 3: Cross multiply
    26,754.81x = 40,136.76 × 13,434.15
  4. Step 4: Simplify right side
    26,754.81x = 539,203,254.35
  5. Step 5: Solve for x
    x = 539,203,254.35/26,754.81
  6. Step 6: Final answer
    x = 20,153.51

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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.