Home / 28,257.90-42,383.52-7,483.02

Finding the Fourth Proportional to 28,257.90, 42,383.52 and 7,483.02

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Solution

The fourth proportional to 28,257.90, 42,383.52 and 7,483.02 is: 11,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,257.90 : 42,383.52 = 7,483.02 : x
  2. Step 2: Convert to fraction form
    28,257.90/42,383.52 = 7,483.02/x
  3. Step 3: Cross multiply
    28,257.90x = 42,383.52 × 7,483.02
  4. Step 4: Simplify right side
    28,257.90x = 317,156,727.83
  5. Step 5: Solve for x
    x = 317,156,727.83/28,257.90
  6. Step 6: Final answer
    x = 11,223.65

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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.