Home / 19,699.02-27,162.57-16,102.80

Finding the Fourth Proportional to 19,699.02, 27,162.57 and 16,102.80

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Solution

The fourth proportional to 19,699.02, 27,162.57 and 16,102.80 is: 22,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.02 : 27,162.57 = 16,102.80 : x
  2. Step 2: Convert to fraction form
    19,699.02/27,162.57 = 16,102.80/x
  3. Step 3: Cross multiply
    19,699.02x = 27,162.57 × 16,102.80
  4. Step 4: Simplify right side
    19,699.02x = 437,393,432.20
  5. Step 5: Solve for x
    x = 437,393,432.20/19,699.02
  6. Step 6: Final answer
    x = 22,203.82

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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.