Home / 21,032.82-31,527.93-13,641.97

Finding the Fourth Proportional to 21,032.82, 31,527.93 and 13,641.97

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Solution

The fourth proportional to 21,032.82, 31,527.93 and 13,641.97 is: 20,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.82 : 31,527.93 = 13,641.97 : x
  2. Step 2: Convert to fraction form
    21,032.82/31,527.93 = 13,641.97/x
  3. Step 3: Cross multiply
    21,032.82x = 31,527.93 × 13,641.97
  4. Step 4: Simplify right side
    21,032.82x = 430,103,075.22
  5. Step 5: Solve for x
    x = 430,103,075.22/21,032.82
  6. Step 6: Final answer
    x = 20,449.14

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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.