Home / 28,192.88-42,290.03-9,473.58

Finding the Fourth Proportional to 28,192.88, 42,290.03 and 9,473.58

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Solution

The fourth proportional to 28,192.88, 42,290.03 and 9,473.58 is: 14,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192.88 : 42,290.03 = 9,473.58 : x
  2. Step 2: Convert to fraction form
    28,192.88/42,290.03 = 9,473.58/x
  3. Step 3: Cross multiply
    28,192.88x = 42,290.03 × 9,473.58
  4. Step 4: Simplify right side
    28,192.88x = 400,637,982.41
  5. Step 5: Solve for x
    x = 400,637,982.41/28,192.88
  6. Step 6: Final answer
    x = 14,210.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.