Home / 28,967.04-39,974.68-16,394.40

Finding the Fourth Proportional to 28,967.04, 39,974.68 and 16,394.40

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Solution

The fourth proportional to 28,967.04, 39,974.68 and 16,394.40 is: 22,624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,967.04 : 39,974.68 = 16,394.40 : x
  2. Step 2: Convert to fraction form
    28,967.04/39,974.68 = 16,394.40/x
  3. Step 3: Cross multiply
    28,967.04x = 39,974.68 × 16,394.40
  4. Step 4: Simplify right side
    28,967.04x = 655,360,893.79
  5. Step 5: Solve for x
    x = 655,360,893.79/28,967.04
  6. Step 6: Final answer
    x = 22,624.37

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1.5x scale

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.