Home / 26,271.48-36,268.02-20,289.72

Finding the Fourth Proportional to 26,271.48, 36,268.02 and 20,289.72

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Solution

The fourth proportional to 26,271.48, 36,268.02 and 20,289.72 is: 28,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271.48 : 36,268.02 = 20,289.72 : x
  2. Step 2: Convert to fraction form
    26,271.48/36,268.02 = 20,289.72/x
  3. Step 3: Cross multiply
    26,271.48x = 36,268.02 × 20,289.72
  4. Step 4: Simplify right side
    26,271.48x = 735,867,970.75
  5. Step 5: Solve for x
    x = 735,867,970.75/26,271.48
  6. Step 6: Final answer
    x = 28,010.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.