Home / 77,928.58-116,888.01-28,007.27

Finding the Fourth Proportional to 77,928.58, 116,888.01 and 28,007.27

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Solution

The fourth proportional to 77,928.58, 116,888.01 and 28,007.27 is: 42,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,928.58 : 116,888.01 = 28,007.27 : x
  2. Step 2: Convert to fraction form
    77,928.58/116,888.01 = 28,007.27/x
  3. Step 3: Cross multiply
    77,928.58x = 116,888.01 × 28,007.27
  4. Step 4: Simplify right side
    77,928.58x = 3,273,713,962.24
  5. Step 5: Solve for x
    x = 3,273,713,962.24/77,928.58
  6. Step 6: Final answer
    x = 42,009.16

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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.