Home / 28,003.77-42,011.54-9,282.72

Finding the Fourth Proportional to 28,003.77, 42,011.54 and 9,282.72

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Solution

The fourth proportional to 28,003.77, 42,011.54 and 9,282.72 is: 13,926.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003.77 : 42,011.54 = 9,282.72 : x
  2. Step 2: Convert to fraction form
    28,003.77/42,011.54 = 9,282.72/x
  3. Step 3: Cross multiply
    28,003.77x = 42,011.54 × 9,282.72
  4. Step 4: Simplify right side
    28,003.77x = 389,981,316.18
  5. Step 5: Solve for x
    x = 389,981,316.18/28,003.77
  6. Step 6: Final answer
    x = 13,926.03

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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.