Home / 28,746.23-39,669.37-16,170.98

Finding the Fourth Proportional to 28,746.23, 39,669.37 and 16,170.98

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Solution

The fourth proportional to 28,746.23, 39,669.37 and 16,170.98 is: 22,315.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.23 : 39,669.37 = 16,170.98 : x
  2. Step 2: Convert to fraction form
    28,746.23/39,669.37 = 16,170.98/x
  3. Step 3: Cross multiply
    28,746.23x = 39,669.37 × 16,170.98
  4. Step 4: Simplify right side
    28,746.23x = 641,492,350.11
  5. Step 5: Solve for x
    x = 641,492,350.11/28,746.23
  6. Step 6: Final answer
    x = 22,315.71

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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.