Home / 30,272.48-41,723.53-28,522.88

Finding the Fourth Proportional to 30,272.48, 41,723.53 and 28,522.88

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Solution

The fourth proportional to 30,272.48, 41,723.53 and 28,522.88 is: 39,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272.48 : 41,723.53 = 28,522.88 : x
  2. Step 2: Convert to fraction form
    30,272.48/41,723.53 = 28,522.88/x
  3. Step 3: Cross multiply
    30,272.48x = 41,723.53 × 28,522.88
  4. Step 4: Simplify right side
    30,272.48x = 1,190,074,959.44
  5. Step 5: Solve for x
    x = 1,190,074,959.44/30,272.48
  6. Step 6: Final answer
    x = 39,312.11

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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.