Home / 22,280.89-30,737.74-14,321.63

Finding the Fourth Proportional to 22,280.89, 30,737.74 and 14,321.63

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Solution

The fourth proportional to 22,280.89, 30,737.74 and 14,321.63 is: 19,757.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,280.89 : 30,737.74 = 14,321.63 : x
  2. Step 2: Convert to fraction form
    22,280.89/30,737.74 = 14,321.63/x
  3. Step 3: Cross multiply
    22,280.89x = 30,737.74 × 14,321.63
  4. Step 4: Simplify right side
    22,280.89x = 440,214,539.32
  5. Step 5: Solve for x
    x = 440,214,539.32/22,280.89
  6. Step 6: Final answer
    x = 19,757.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.