Home / 23,306.07-35,123.13-21,087.89

Finding the Fourth Proportional to 23,306.07, 35,123.13 and 21,087.89

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Solution

The fourth proportional to 23,306.07, 35,123.13 and 21,087.89 is: 31,780.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,306.07 : 35,123.13 = 21,087.89 : x
  2. Step 2: Convert to fraction form
    23,306.07/35,123.13 = 21,087.89/x
  3. Step 3: Cross multiply
    23,306.07x = 35,123.13 × 21,087.89
  4. Step 4: Simplify right side
    23,306.07x = 740,672,526.28
  5. Step 5: Solve for x
    x = 740,672,526.28/23,306.07
  6. Step 6: Final answer
    x = 31,780.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.