Home / 28,638.92-39,521.22-16,063.40

Finding the Fourth Proportional to 28,638.92, 39,521.22 and 16,063.40

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Solution

The fourth proportional to 28,638.92, 39,521.22 and 16,063.40 is: 22,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,638.92 : 39,521.22 = 16,063.40 : x
  2. Step 2: Convert to fraction form
    28,638.92/39,521.22 = 16,063.40/x
  3. Step 3: Cross multiply
    28,638.92x = 39,521.22 × 16,063.40
  4. Step 4: Simplify right side
    28,638.92x = 634,844,967.74
  5. Step 5: Solve for x
    x = 634,844,967.74/28,638.92
  6. Step 6: Final answer
    x = 22,167.21

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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.