Home / 28,970.04-39,977.64-16,394.52

Finding the Fourth Proportional to 28,970.04, 39,977.64 and 16,394.52

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Solution

The fourth proportional to 28,970.04, 39,977.64 and 16,394.52 is: 22,623.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970.04 : 39,977.64 = 16,394.52 : x
  2. Step 2: Convert to fraction form
    28,970.04/39,977.64 = 16,394.52/x
  3. Step 3: Cross multiply
    28,970.04x = 39,977.64 × 16,394.52
  4. Step 4: Simplify right side
    28,970.04x = 655,414,218.53
  5. Step 5: Solve for x
    x = 655,414,218.53/28,970.04
  6. Step 6: Final answer
    x = 22,623.86

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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.