Home / 21,381.39-32,072.09-14,032.31

Finding the Fourth Proportional to 21,381.39, 32,072.09 and 14,032.31

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Solution

The fourth proportional to 21,381.39, 32,072.09 and 14,032.31 is: 21,048.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,381.39 : 32,072.09 = 14,032.31 : x
  2. Step 2: Convert to fraction form
    21,381.39/32,072.09 = 14,032.31/x
  3. Step 3: Cross multiply
    21,381.39x = 32,072.09 × 14,032.31
  4. Step 4: Simplify right side
    21,381.39x = 450,045,278.71
  5. Step 5: Solve for x
    x = 450,045,278.71/21,381.39
  6. Step 6: Final answer
    x = 21,048.46

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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.