Home / 28,271.88-42,327.18-22,437

Finding the Fourth Proportional to 28,271.88, 42,327.18 and 22,437

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Solution

The fourth proportional to 28,271.88, 42,327.18 and 22,437 is: 33,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271.88 : 42,327.18 = 22,437 : x
  2. Step 2: Convert to fraction form
    28,271.88/42,327.18 = 22,437/x
  3. Step 3: Cross multiply
    28,271.88x = 42,327.18 × 22,437
  4. Step 4: Simplify right side
    28,271.88x = 949,694,937.66
  5. Step 5: Solve for x
    x = 949,694,937.66/28,271.88
  6. Step 6: Final answer
    x = 33,591.50

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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.