Home / 28,122.06-42,158.52-14,983.86

Finding the Fourth Proportional to 28,122.06, 42,158.52 and 14,983.86

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Solution

The fourth proportional to 28,122.06, 42,158.52 and 14,983.86 is: 22,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,122.06 : 42,158.52 = 14,983.86 : x
  2. Step 2: Convert to fraction form
    28,122.06/42,158.52 = 14,983.86/x
  3. Step 3: Cross multiply
    28,122.06x = 42,158.52 × 14,983.86
  4. Step 4: Simplify right side
    28,122.06x = 631,697,361.49
  5. Step 5: Solve for x
    x = 631,697,361.49/28,122.06
  6. Step 6: Final answer
    x = 22,462.70

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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.