Home / 26,287.48-39,332.40-15,718.60

Finding the Fourth Proportional to 26,287.48, 39,332.40 and 15,718.60

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Solution

The fourth proportional to 26,287.48, 39,332.40 and 15,718.60 is: 23,518.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.48 : 39,332.40 = 15,718.60 : x
  2. Step 2: Convert to fraction form
    26,287.48/39,332.40 = 15,718.60/x
  3. Step 3: Cross multiply
    26,287.48x = 39,332.40 × 15,718.60
  4. Step 4: Simplify right side
    26,287.48x = 618,250,262.64
  5. Step 5: Solve for x
    x = 618,250,262.64/26,287.48
  6. Step 6: Final answer
    x = 23,518.81

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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.