Home / 26,315.20-39,415.20-22,859.20

Finding the Fourth Proportional to 26,315.20, 39,415.20 and 22,859.20

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Solution

The fourth proportional to 26,315.20, 39,415.20 and 22,859.20 is: 34,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,315.20 : 39,415.20 = 22,859.20 : x
  2. Step 2: Convert to fraction form
    26,315.20/39,415.20 = 22,859.20/x
  3. Step 3: Cross multiply
    26,315.20x = 39,415.20 × 22,859.20
  4. Step 4: Simplify right side
    26,315.20x = 900,999,939.84
  5. Step 5: Solve for x
    x = 900,999,939.84/26,315.20
  6. Step 6: Final answer
    x = 34,238.76

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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.