Home / 26,621.52-39,940.08-7,901.60

Finding the Fourth Proportional to 26,621.52, 39,940.08 and 7,901.60

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Solution

The fourth proportional to 26,621.52, 39,940.08 and 7,901.60 is: 11,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,621.52 : 39,940.08 = 7,901.60 : x
  2. Step 2: Convert to fraction form
    26,621.52/39,940.08 = 7,901.60/x
  3. Step 3: Cross multiply
    26,621.52x = 39,940.08 × 7,901.60
  4. Step 4: Simplify right side
    26,621.52x = 315,590,536.13
  5. Step 5: Solve for x
    x = 315,590,536.13/26,621.52
  6. Step 6: Final answer
    x = 11,854.72

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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.