Home / 28,433.04-42,656.12-8,714.48

Finding the Fourth Proportional to 28,433.04, 42,656.12 and 8,714.48

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Solution

The fourth proportional to 28,433.04, 42,656.12 and 8,714.48 is: 13,073.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,433.04 : 42,656.12 = 8,714.48 : x
  2. Step 2: Convert to fraction form
    28,433.04/42,656.12 = 8,714.48/x
  3. Step 3: Cross multiply
    28,433.04x = 42,656.12 × 8,714.48
  4. Step 4: Simplify right side
    28,433.04x = 371,725,904.62
  5. Step 5: Solve for x
    x = 371,725,904.62/28,433.04
  6. Step 6: Final answer
    x = 13,073.73

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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.