Home / 38,267.04-52,810.08-21,500

Finding the Fourth Proportional to 38,267.04, 52,810.08 and 21,500

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Solution

The fourth proportional to 38,267.04, 52,810.08 and 21,500 is: 29,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,267.04 : 52,810.08 = 21,500 : x
  2. Step 2: Convert to fraction form
    38,267.04/52,810.08 = 21,500/x
  3. Step 3: Cross multiply
    38,267.04x = 52,810.08 × 21,500
  4. Step 4: Simplify right side
    38,267.04x = 1,135,416,720
  5. Step 5: Solve for x
    x = 1,135,416,720/38,267.04
  6. Step 6: Final answer
    x = 29,670.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.