Home / 21,400.93-32,055.67-17,380.19

Finding the Fourth Proportional to 21,400.93, 32,055.67 and 17,380.19

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Solution

The fourth proportional to 21,400.93, 32,055.67 and 17,380.19 is: 26,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400.93 : 32,055.67 = 17,380.19 : x
  2. Step 2: Convert to fraction form
    21,400.93/32,055.67 = 17,380.19/x
  3. Step 3: Cross multiply
    21,400.93x = 32,055.67 × 17,380.19
  4. Step 4: Simplify right side
    21,400.93x = 557,133,635.18
  5. Step 5: Solve for x
    x = 557,133,635.18/21,400.93
  6. Step 6: Final answer
    x = 26,033.15

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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.