Home / 26,887.79-40,276.20-15,760.69

Finding the Fourth Proportional to 26,887.79, 40,276.20 and 15,760.69

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Solution

The fourth proportional to 26,887.79, 40,276.20 and 15,760.69 is: 23,608.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,887.79 : 40,276.20 = 15,760.69 : x
  2. Step 2: Convert to fraction form
    26,887.79/40,276.20 = 15,760.69/x
  3. Step 3: Cross multiply
    26,887.79x = 40,276.20 × 15,760.69
  4. Step 4: Simplify right side
    26,887.79x = 634,780,501.20
  5. Step 5: Solve for x
    x = 634,780,501.20/26,887.79
  6. Step 6: Final answer
    x = 23,608.50

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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.