Home / 23,777.47-32,810.11-13,705.79

Finding the Fourth Proportional to 23,777.47, 32,810.11 and 13,705.79

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Solution

The fourth proportional to 23,777.47, 32,810.11 and 13,705.79 is: 18,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,777.47 : 32,810.11 = 13,705.79 : x
  2. Step 2: Convert to fraction form
    23,777.47/32,810.11 = 13,705.79/x
  3. Step 3: Cross multiply
    23,777.47x = 32,810.11 × 13,705.79
  4. Step 4: Simplify right side
    23,777.47x = 449,688,477.54
  5. Step 5: Solve for x
    x = 449,688,477.54/23,777.47
  6. Step 6: Final answer
    x = 18,912.38

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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.