Home / 28,126.98-42,168.60-14,983.11

Finding the Fourth Proportional to 28,126.98, 42,168.60 and 14,983.11

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Solution

The fourth proportional to 28,126.98, 42,168.60 and 14,983.11 is: 22,463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126.98 : 42,168.60 = 14,983.11 : x
  2. Step 2: Convert to fraction form
    28,126.98/42,168.60 = 14,983.11/x
  3. Step 3: Cross multiply
    28,126.98x = 42,168.60 × 14,983.11
  4. Step 4: Simplify right side
    28,126.98x = 631,816,772.35
  5. Step 5: Solve for x
    x = 631,816,772.35/28,126.98
  6. Step 6: Final answer
    x = 22,463.01

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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.