Home / 28,341.72-42,590.34-26,731.44

Finding the Fourth Proportional to 28,341.72, 42,590.34 and 26,731.44

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Solution

The fourth proportional to 28,341.72, 42,590.34 and 26,731.44 is: 40,170.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341.72 : 42,590.34 = 26,731.44 : x
  2. Step 2: Convert to fraction form
    28,341.72/42,590.34 = 26,731.44/x
  3. Step 3: Cross multiply
    28,341.72x = 42,590.34 × 26,731.44
  4. Step 4: Simplify right side
    28,341.72x = 1,138,501,118.29
  5. Step 5: Solve for x
    x = 1,138,501,118.29/28,341.72
  6. Step 6: Final answer
    x = 40,170.50

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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.