Home / 21,302.04-29,425.50-19,314.84

Finding the Fourth Proportional to 21,302.04, 29,425.50 and 19,314.84

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Solution

The fourth proportional to 21,302.04, 29,425.50 and 19,314.84 is: 26,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302.04 : 29,425.50 = 19,314.84 : x
  2. Step 2: Convert to fraction form
    21,302.04/29,425.50 = 19,314.84/x
  3. Step 3: Cross multiply
    21,302.04x = 29,425.50 × 19,314.84
  4. Step 4: Simplify right side
    21,302.04x = 568,348,824.42
  5. Step 5: Solve for x
    x = 568,348,824.42/21,302.04
  6. Step 6: Final answer
    x = 26,680.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.