Home / 28,901.56-39,885.06-16,327.12

Finding the Fourth Proportional to 28,901.56, 39,885.06 and 16,327.12

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Solution

The fourth proportional to 28,901.56, 39,885.06 and 16,327.12 is: 22,531.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.56 : 39,885.06 = 16,327.12 : x
  2. Step 2: Convert to fraction form
    28,901.56/39,885.06 = 16,327.12/x
  3. Step 3: Cross multiply
    28,901.56x = 39,885.06 × 16,327.12
  4. Step 4: Simplify right side
    28,901.56x = 651,208,160.83
  5. Step 5: Solve for x
    x = 651,208,160.83/28,901.56
  6. Step 6: Final answer
    x = 22,531.94

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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.