Home / 21,703.14-32,372.26-19,709.93

Finding the Fourth Proportional to 21,703.14, 32,372.26 and 19,709.93

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Solution

The fourth proportional to 21,703.14, 32,372.26 and 19,709.93 is: 29,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703.14 : 32,372.26 = 19,709.93 : x
  2. Step 2: Convert to fraction form
    21,703.14/32,372.26 = 19,709.93/x
  3. Step 3: Cross multiply
    21,703.14x = 32,372.26 × 19,709.93
  4. Step 4: Simplify right side
    21,703.14x = 638,055,010.20
  5. Step 5: Solve for x
    x = 638,055,010.20/21,703.14
  6. Step 6: Final answer
    x = 29,399.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.