Home / 26,615.20-39,922.80-26,442.40

Finding the Fourth Proportional to 26,615.20, 39,922.80 and 26,442.40

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Solution

The fourth proportional to 26,615.20, 39,922.80 and 26,442.40 is: 39,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.20 : 39,922.80 = 26,442.40 : x
  2. Step 2: Convert to fraction form
    26,615.20/39,922.80 = 26,442.40/x
  3. Step 3: Cross multiply
    26,615.20x = 39,922.80 × 26,442.40
  4. Step 4: Simplify right side
    26,615.20x = 1,055,654,646.72
  5. Step 5: Solve for x
    x = 1,055,654,646.72/26,615.20
  6. Step 6: Final answer
    x = 39,663.60

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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.