Home / 28,217.40-42,328.32-10,444.36

Finding the Fourth Proportional to 28,217.40, 42,328.32 and 10,444.36

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Solution

The fourth proportional to 28,217.40, 42,328.32 and 10,444.36 is: 15,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,217.40 : 42,328.32 = 10,444.36 : x
  2. Step 2: Convert to fraction form
    28,217.40/42,328.32 = 10,444.36/x
  3. Step 3: Cross multiply
    28,217.40x = 42,328.32 × 10,444.36
  4. Step 4: Simplify right side
    28,217.40x = 442,092,212.28
  5. Step 5: Solve for x
    x = 442,092,212.28/28,217.40
  6. Step 6: Final answer
    x = 15,667.36

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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.