Home / 28,902.36-39,885.30-16,327.14

Finding the Fourth Proportional to 28,902.36, 39,885.30 and 16,327.14

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Solution

The fourth proportional to 28,902.36, 39,885.30 and 16,327.14 is: 22,531.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.36 : 39,885.30 = 16,327.14 : x
  2. Step 2: Convert to fraction form
    28,902.36/39,885.30 = 16,327.14/x
  3. Step 3: Cross multiply
    28,902.36x = 39,885.30 × 16,327.14
  4. Step 4: Simplify right side
    28,902.36x = 651,212,877.04
  5. Step 5: Solve for x
    x = 651,212,877.04/28,902.36
  6. Step 6: Final answer
    x = 22,531.48

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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.