Home / 19,803.02-27,295.62-15,817.10

Finding the Fourth Proportional to 19,803.02, 27,295.62 and 15,817.10

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Solution

The fourth proportional to 19,803.02, 27,295.62 and 15,817.10 is: 21,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,803.02 : 27,295.62 = 15,817.10 : x
  2. Step 2: Convert to fraction form
    19,803.02/27,295.62 = 15,817.10/x
  3. Step 3: Cross multiply
    19,803.02x = 27,295.62 × 15,817.10
  4. Step 4: Simplify right side
    19,803.02x = 431,737,551.10
  5. Step 5: Solve for x
    x = 431,737,551.10/19,803.02
  6. Step 6: Final answer
    x = 21,801.60

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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.