Home / 28,051.56-42,083.88-9,330.24

Finding the Fourth Proportional to 28,051.56, 42,083.88 and 9,330.24

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Solution

The fourth proportional to 28,051.56, 42,083.88 and 9,330.24 is: 13,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051.56 : 42,083.88 = 9,330.24 : x
  2. Step 2: Convert to fraction form
    28,051.56/42,083.88 = 9,330.24/x
  3. Step 3: Cross multiply
    28,051.56x = 42,083.88 × 9,330.24
  4. Step 4: Simplify right side
    28,051.56x = 392,652,700.53
  5. Step 5: Solve for x
    x = 392,652,700.53/28,051.56
  6. Step 6: Final answer
    x = 13,997.54

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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.