Home / 51,528.26-77,303.39-15,988.80

Finding the Fourth Proportional to 51,528.26, 77,303.39 and 15,988.80

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Solution

The fourth proportional to 51,528.26, 77,303.39 and 15,988.80 is: 23,986.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,528.26 : 77,303.39 = 15,988.80 : x
  2. Step 2: Convert to fraction form
    51,528.26/77,303.39 = 15,988.80/x
  3. Step 3: Cross multiply
    51,528.26x = 77,303.39 × 15,988.80
  4. Step 4: Simplify right side
    51,528.26x = 1,235,988,442.03
  5. Step 5: Solve for x
    x = 1,235,988,442.03/51,528.26
  6. Step 6: Final answer
    x = 23,986.61

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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.