Home / 26,859.84-40,290.30-12,821.52

Finding the Fourth Proportional to 26,859.84, 40,290.30 and 12,821.52

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Solution

The fourth proportional to 26,859.84, 40,290.30 and 12,821.52 is: 19,232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,859.84 : 40,290.30 = 12,821.52 : x
  2. Step 2: Convert to fraction form
    26,859.84/40,290.30 = 12,821.52/x
  3. Step 3: Cross multiply
    26,859.84x = 40,290.30 × 12,821.52
  4. Step 4: Simplify right side
    26,859.84x = 516,582,887.26
  5. Step 5: Solve for x
    x = 516,582,887.26/26,859.84
  6. Step 6: Final answer
    x = 19,232.54

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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.