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Finding the Fourth Proportional to 60,907.01, 91,357.61 and 15,928.38

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Solution

The fourth proportional to 60,907.01, 91,357.61 and 15,928.38 is: 23,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,907.01 : 91,357.61 = 15,928.38 : x
  2. Step 2: Convert to fraction form
    60,907.01/91,357.61 = 15,928.38/x
  3. Step 3: Cross multiply
    60,907.01x = 91,357.61 × 15,928.38
  4. Step 4: Simplify right side
    60,907.01x = 1,455,178,648.33
  5. Step 5: Solve for x
    x = 1,455,178,648.33/60,907.01
  6. Step 6: Final answer
    x = 23,891.81

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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.