Home / 28,929.52-39,923.58-16,354

Finding the Fourth Proportional to 28,929.52, 39,923.58 and 16,354

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Solution

The fourth proportional to 28,929.52, 39,923.58 and 16,354 is: 22,569.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.52 : 39,923.58 = 16,354 : x
  2. Step 2: Convert to fraction form
    28,929.52/39,923.58 = 16,354/x
  3. Step 3: Cross multiply
    28,929.52x = 39,923.58 × 16,354
  4. Step 4: Simplify right side
    28,929.52x = 652,910,227.32
  5. Step 5: Solve for x
    x = 652,910,227.32/28,929.52
  6. Step 6: Final answer
    x = 22,569.00

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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.