Home / 28,219.28-42,122.86-26,163.50

Finding the Fourth Proportional to 28,219.28, 42,122.86 and 26,163.50

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Solution

The fourth proportional to 28,219.28, 42,122.86 and 26,163.50 is: 39,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219.28 : 42,122.86 = 26,163.50 : x
  2. Step 2: Convert to fraction form
    28,219.28/42,122.86 = 26,163.50/x
  3. Step 3: Cross multiply
    28,219.28x = 42,122.86 × 26,163.50
  4. Step 4: Simplify right side
    28,219.28x = 1,102,081,447.61
  5. Step 5: Solve for x
    x = 1,102,081,447.61/28,219.28
  6. Step 6: Final answer
    x = 39,054.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.