Home / 21,707.93-32,366.82-19,854.42

Finding the Fourth Proportional to 21,707.93, 32,366.82 and 19,854.42

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Solution

The fourth proportional to 21,707.93, 32,366.82 and 19,854.42 is: 29,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,707.93 : 32,366.82 = 19,854.42 : x
  2. Step 2: Convert to fraction form
    21,707.93/32,366.82 = 19,854.42/x
  3. Step 3: Cross multiply
    21,707.93x = 32,366.82 × 19,854.42
  4. Step 4: Simplify right side
    21,707.93x = 642,624,438.34
  5. Step 5: Solve for x
    x = 642,624,438.34/21,707.93
  6. Step 6: Final answer
    x = 29,603.22

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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.