Home / 28,690.20-39,594.02-16,760.52

Finding the Fourth Proportional to 28,690.20, 39,594.02 and 16,760.52

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Solution

The fourth proportional to 28,690.20, 39,594.02 and 16,760.52 is: 23,130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,690.20 : 39,594.02 = 16,760.52 : x
  2. Step 2: Convert to fraction form
    28,690.20/39,594.02 = 16,760.52/x
  3. Step 3: Cross multiply
    28,690.20x = 39,594.02 × 16,760.52
  4. Step 4: Simplify right side
    28,690.20x = 663,616,280.29
  5. Step 5: Solve for x
    x = 663,616,280.29/28,690.20
  6. Step 6: Final answer
    x = 23,130.42

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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.