Home / 28,222.86-38,948.82-16,124.40

Finding the Fourth Proportional to 28,222.86, 38,948.82 and 16,124.40

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Solution

The fourth proportional to 28,222.86, 38,948.82 and 16,124.40 is: 22,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,222.86 : 38,948.82 = 16,124.40 : x
  2. Step 2: Convert to fraction form
    28,222.86/38,948.82 = 16,124.40/x
  3. Step 3: Cross multiply
    28,222.86x = 38,948.82 × 16,124.40
  4. Step 4: Simplify right side
    28,222.86x = 628,026,353.21
  5. Step 5: Solve for x
    x = 628,026,353.21/28,222.86
  6. Step 6: Final answer
    x = 22,252.40

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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.