Home / 28,231.84-42,352.32-10,703.20

Finding the Fourth Proportional to 28,231.84, 42,352.32 and 10,703.20

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Solution

The fourth proportional to 28,231.84, 42,352.32 and 10,703.20 is: 16,056.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,231.84 : 42,352.32 = 10,703.20 : x
  2. Step 2: Convert to fraction form
    28,231.84/42,352.32 = 10,703.20/x
  3. Step 3: Cross multiply
    28,231.84x = 42,352.32 × 10,703.20
  4. Step 4: Simplify right side
    28,231.84x = 453,305,351.42
  5. Step 5: Solve for x
    x = 453,305,351.42/28,231.84
  6. Step 6: Final answer
    x = 16,056.53

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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.