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Finding the Fourth Proportional to 60,268.52, 90,395.85 and 15,898.79

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Solution

The fourth proportional to 60,268.52, 90,395.85 and 15,898.79 is: 23,846.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,268.52 : 90,395.85 = 15,898.79 : x
  2. Step 2: Convert to fraction form
    60,268.52/90,395.85 = 15,898.79/x
  3. Step 3: Cross multiply
    60,268.52x = 90,395.85 × 15,898.79
  4. Step 4: Simplify right side
    60,268.52x = 1,437,184,636.02
  5. Step 5: Solve for x
    x = 1,437,184,636.02/60,268.52
  6. Step 6: Final answer
    x = 23,846.36

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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.