Home / 28,495.50-39,322.73-16,397.85

Finding the Fourth Proportional to 28,495.50, 39,322.73 and 16,397.85

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Solution

The fourth proportional to 28,495.50, 39,322.73 and 16,397.85 is: 22,628.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,495.50 : 39,322.73 = 16,397.85 : x
  2. Step 2: Convert to fraction form
    28,495.50/39,322.73 = 16,397.85/x
  3. Step 3: Cross multiply
    28,495.50x = 39,322.73 × 16,397.85
  4. Step 4: Simplify right side
    28,495.50x = 644,808,146.14
  5. Step 5: Solve for x
    x = 644,808,146.14/28,495.50
  6. Step 6: Final answer
    x = 22,628.42

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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.