Home / 51,528.40-77,303.68-15,989

Finding the Fourth Proportional to 51,528.40, 77,303.68 and 15,989

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Solution

The fourth proportional to 51,528.40, 77,303.68 and 15,989 is: 23,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,528.40 : 77,303.68 = 15,989 : x
  2. Step 2: Convert to fraction form
    51,528.40/77,303.68 = 15,989/x
  3. Step 3: Cross multiply
    51,528.40x = 77,303.68 × 15,989
  4. Step 4: Simplify right side
    51,528.40x = 1,236,008,539.52
  5. Step 5: Solve for x
    x = 1,236,008,539.52/51,528.40
  6. Step 6: Final answer
    x = 23,986.94

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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.