Home / 26,500.86-39,743.37-8,728.23

Finding the Fourth Proportional to 26,500.86, 39,743.37 and 8,728.23

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Solution

The fourth proportional to 26,500.86, 39,743.37 and 8,728.23 is: 13,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,500.86 : 39,743.37 = 8,728.23 : x
  2. Step 2: Convert to fraction form
    26,500.86/39,743.37 = 8,728.23/x
  3. Step 3: Cross multiply
    26,500.86x = 39,743.37 × 8,728.23
  4. Step 4: Simplify right side
    26,500.86x = 346,889,274.34
  5. Step 5: Solve for x
    x = 346,889,274.34/26,500.86
  6. Step 6: Final answer
    x = 13,089.74

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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.