Home / 26,859.23-40,288.86-10,215.42

Finding the Fourth Proportional to 26,859.23, 40,288.86 and 10,215.42

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Solution

The fourth proportional to 26,859.23, 40,288.86 and 10,215.42 is: 15,323.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,859.23 : 40,288.86 = 10,215.42 : x
  2. Step 2: Convert to fraction form
    26,859.23/40,288.86 = 10,215.42/x
  3. Step 3: Cross multiply
    26,859.23x = 40,288.86 × 10,215.42
  4. Step 4: Simplify right side
    26,859.23x = 411,567,626.22
  5. Step 5: Solve for x
    x = 411,567,626.22/26,859.23
  6. Step 6: Final answer
    x = 15,323.13

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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.