Home / 28,192.02-38,886.24-18,133.18

Finding the Fourth Proportional to 28,192.02, 38,886.24 and 18,133.18

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Solution

The fourth proportional to 28,192.02, 38,886.24 and 18,133.18 is: 25,011.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192.02 : 38,886.24 = 18,133.18 : x
  2. Step 2: Convert to fraction form
    28,192.02/38,886.24 = 18,133.18/x
  3. Step 3: Cross multiply
    28,192.02x = 38,886.24 × 18,133.18
  4. Step 4: Simplify right side
    28,192.02x = 705,131,189.44
  5. Step 5: Solve for x
    x = 705,131,189.44/28,192.02
  6. Step 6: Final answer
    x = 25,011.73

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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.