Home / 26,867.76-40,297.08-7,148.40

Finding the Fourth Proportional to 26,867.76, 40,297.08 and 7,148.40

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Solution

The fourth proportional to 26,867.76, 40,297.08 and 7,148.40 is: 10,721.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,867.76 : 40,297.08 = 7,148.40 : x
  2. Step 2: Convert to fraction form
    26,867.76/40,297.08 = 7,148.40/x
  3. Step 3: Cross multiply
    26,867.76x = 40,297.08 × 7,148.40
  4. Step 4: Simplify right side
    26,867.76x = 288,059,646.67
  5. Step 5: Solve for x
    x = 288,059,646.67/26,867.76
  6. Step 6: Final answer
    x = 10,721.39

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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.