Home / 26,853.76-40,274.56-10,207.86

Finding the Fourth Proportional to 26,853.76, 40,274.56 and 10,207.86

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Solution

The fourth proportional to 26,853.76, 40,274.56 and 10,207.86 is: 15,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,853.76 : 40,274.56 = 10,207.86 : x
  2. Step 2: Convert to fraction form
    26,853.76/40,274.56 = 10,207.86/x
  3. Step 3: Cross multiply
    26,853.76x = 40,274.56 × 10,207.86
  4. Step 4: Simplify right side
    26,853.76x = 411,117,070.04
  5. Step 5: Solve for x
    x = 411,117,070.04/26,853.76
  6. Step 6: Final answer
    x = 15,309.48

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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.