Home / 26,543.32-36,630.06-15,212.56

Finding the Fourth Proportional to 26,543.32, 36,630.06 and 15,212.56

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Solution

The fourth proportional to 26,543.32, 36,630.06 and 15,212.56 is: 20,993.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,543.32 : 36,630.06 = 15,212.56 : x
  2. Step 2: Convert to fraction form
    26,543.32/36,630.06 = 15,212.56/x
  3. Step 3: Cross multiply
    26,543.32x = 36,630.06 × 15,212.56
  4. Step 4: Simplify right side
    26,543.32x = 557,236,985.55
  5. Step 5: Solve for x
    x = 557,236,985.55/26,543.32
  6. Step 6: Final answer
    x = 20,993.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.