Home / 28,212.80-42,319.81-10,444.34

Finding the Fourth Proportional to 28,212.80, 42,319.81 and 10,444.34

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Solution

The fourth proportional to 28,212.80, 42,319.81 and 10,444.34 is: 15,666.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,212.80 : 42,319.81 = 10,444.34 : x
  2. Step 2: Convert to fraction form
    28,212.80/42,319.81 = 10,444.34/x
  3. Step 3: Cross multiply
    28,212.80x = 42,319.81 × 10,444.34
  4. Step 4: Simplify right side
    28,212.80x = 442,002,272.78
  5. Step 5: Solve for x
    x = 442,002,272.78/28,212.80
  6. Step 6: Final answer
    x = 15,666.73

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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.