Home / 28,853.20-43,071.22-26,688.88

Finding the Fourth Proportional to 28,853.20, 43,071.22 and 26,688.88

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Solution

The fourth proportional to 28,853.20, 43,071.22 and 26,688.88 is: 39,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,853.20 : 43,071.22 = 26,688.88 : x
  2. Step 2: Convert to fraction form
    28,853.20/43,071.22 = 26,688.88/x
  3. Step 3: Cross multiply
    28,853.20x = 43,071.22 × 26,688.88
  4. Step 4: Simplify right side
    28,853.20x = 1,149,522,622.03
  5. Step 5: Solve for x
    x = 1,149,522,622.03/28,853.20
  6. Step 6: Final answer
    x = 39,840.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.