Home / 28,999.01-40,037.91-22,272.62

Finding the Fourth Proportional to 28,999.01, 40,037.91 and 22,272.62

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Solution

The fourth proportional to 28,999.01, 40,037.91 and 22,272.62 is: 30,751.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.01 : 40,037.91 = 22,272.62 : x
  2. Step 2: Convert to fraction form
    28,999.01/40,037.91 = 22,272.62/x
  3. Step 3: Cross multiply
    28,999.01x = 40,037.91 × 22,272.62
  4. Step 4: Simplify right side
    28,999.01x = 891,748,954.83
  5. Step 5: Solve for x
    x = 891,748,954.83/28,999.01
  6. Step 6: Final answer
    x = 30,751.02

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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.