Home / 28,928.04-39,919.66-16,352.52

Finding the Fourth Proportional to 28,928.04, 39,919.66 and 16,352.52

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Solution

The fourth proportional to 28,928.04, 39,919.66 and 16,352.52 is: 22,565.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928.04 : 39,919.66 = 16,352.52 : x
  2. Step 2: Convert to fraction form
    28,928.04/39,919.66 = 16,352.52/x
  3. Step 3: Cross multiply
    28,928.04x = 39,919.66 × 16,352.52
  4. Step 4: Simplify right side
    28,928.04x = 652,787,038.54
  5. Step 5: Solve for x
    x = 652,787,038.54/28,928.04
  6. Step 6: Final answer
    x = 22,565.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.