Home / 28,934.18-39,929.18-16,358.94

Finding the Fourth Proportional to 28,934.18, 39,929.18 and 16,358.94

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Solution

The fourth proportional to 28,934.18, 39,929.18 and 16,358.94 is: 22,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.18 : 39,929.18 = 16,358.94 : x
  2. Step 2: Convert to fraction form
    28,934.18/39,929.18 = 16,358.94/x
  3. Step 3: Cross multiply
    28,934.18x = 39,929.18 × 16,358.94
  4. Step 4: Simplify right side
    28,934.18x = 653,199,059.87
  5. Step 5: Solve for x
    x = 653,199,059.87/28,934.18
  6. Step 6: Final answer
    x = 22,575.34

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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.