Home / 28,267.23-39,005.46-16,780.35

Finding the Fourth Proportional to 28,267.23, 39,005.46 and 16,780.35

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Solution

The fourth proportional to 28,267.23, 39,005.46 and 16,780.35 is: 23,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267.23 : 39,005.46 = 16,780.35 : x
  2. Step 2: Convert to fraction form
    28,267.23/39,005.46 = 16,780.35/x
  3. Step 3: Cross multiply
    28,267.23x = 39,005.46 × 16,780.35
  4. Step 4: Simplify right side
    28,267.23x = 654,525,270.71
  5. Step 5: Solve for x
    x = 654,525,270.71/28,267.23
  6. Step 6: Final answer
    x = 23,154.91

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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.