Home / 28,313.04-39,072.74-16,377.15

Finding the Fourth Proportional to 28,313.04, 39,072.74 and 16,377.15

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Solution

The fourth proportional to 28,313.04, 39,072.74 and 16,377.15 is: 22,600.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.04 : 39,072.74 = 16,377.15 : x
  2. Step 2: Convert to fraction form
    28,313.04/39,072.74 = 16,377.15/x
  3. Step 3: Cross multiply
    28,313.04x = 39,072.74 × 16,377.15
  4. Step 4: Simplify right side
    28,313.04x = 639,900,042.01
  5. Step 5: Solve for x
    x = 639,900,042.01/28,313.04
  6. Step 6: Final answer
    x = 22,600.89

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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.