Home / 28,281.08-39,033.68-16,342.83

Finding the Fourth Proportional to 28,281.08, 39,033.68 and 16,342.83

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Solution

The fourth proportional to 28,281.08, 39,033.68 and 16,342.83 is: 22,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,281.08 : 39,033.68 = 16,342.83 : x
  2. Step 2: Convert to fraction form
    28,281.08/39,033.68 = 16,342.83/x
  3. Step 3: Cross multiply
    28,281.08x = 39,033.68 × 16,342.83
  4. Step 4: Simplify right side
    28,281.08x = 637,920,714.80
  5. Step 5: Solve for x
    x = 637,920,714.80/28,281.08
  6. Step 6: Final answer
    x = 22,556.45

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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.