Home / 26,529.95-39,781.21-7,807.55

Finding the Fourth Proportional to 26,529.95, 39,781.21 and 7,807.55

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Solution

The fourth proportional to 26,529.95, 39,781.21 and 7,807.55 is: 11,707.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.95 : 39,781.21 = 7,807.55 : x
  2. Step 2: Convert to fraction form
    26,529.95/39,781.21 = 7,807.55/x
  3. Step 3: Cross multiply
    26,529.95x = 39,781.21 × 7,807.55
  4. Step 4: Simplify right side
    26,529.95x = 310,593,786.14
  5. Step 5: Solve for x
    x = 310,593,786.14/26,529.95
  6. Step 6: Final answer
    x = 11,707.29

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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.