Home / 28,403.73-39,196.53-16,466.76

Finding the Fourth Proportional to 28,403.73, 39,196.53 and 16,466.76

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Solution

The fourth proportional to 28,403.73, 39,196.53 and 16,466.76 is: 22,723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403.73 : 39,196.53 = 16,466.76 : x
  2. Step 2: Convert to fraction form
    28,403.73/39,196.53 = 16,466.76/x
  3. Step 3: Cross multiply
    28,403.73x = 39,196.53 × 16,466.76
  4. Step 4: Simplify right side
    28,403.73x = 645,439,852.34
  5. Step 5: Solve for x
    x = 645,439,852.34/28,403.73
  6. Step 6: Final answer
    x = 22,723.77

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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.