Home / 28,339.72-42,587.34-26,729.44

Finding the Fourth Proportional to 28,339.72, 42,587.34 and 26,729.44

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Solution

The fourth proportional to 28,339.72, 42,587.34 and 26,729.44 is: 40,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,339.72 : 42,587.34 = 26,729.44 : x
  2. Step 2: Convert to fraction form
    28,339.72/42,587.34 = 26,729.44/x
  3. Step 3: Cross multiply
    28,339.72x = 42,587.34 × 26,729.44
  4. Step 4: Simplify right side
    28,339.72x = 1,138,335,749.29
  5. Step 5: Solve for x
    x = 1,138,335,749.29/28,339.72
  6. Step 6: Final answer
    x = 40,167.50

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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.