Home / 26,868.86-40,303.23-7,147.43

Finding the Fourth Proportional to 26,868.86, 40,303.23 and 7,147.43

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Solution

The fourth proportional to 26,868.86, 40,303.23 and 7,147.43 is: 10,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,868.86 : 40,303.23 = 7,147.43 : x
  2. Step 2: Convert to fraction form
    26,868.86/40,303.23 = 7,147.43/x
  3. Step 3: Cross multiply
    26,868.86x = 40,303.23 × 7,147.43
  4. Step 4: Simplify right side
    26,868.86x = 288,064,515.20
  5. Step 5: Solve for x
    x = 288,064,515.20/26,868.86
  6. Step 6: Final answer
    x = 10,721.13

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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.