Home / 28,351.68-42,513.32-16,509.34

Finding the Fourth Proportional to 28,351.68, 42,513.32 and 16,509.34

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Solution

The fourth proportional to 28,351.68, 42,513.32 and 16,509.34 is: 24,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,351.68 : 42,513.32 = 16,509.34 : x
  2. Step 2: Convert to fraction form
    28,351.68/42,513.32 = 16,509.34/x
  3. Step 3: Cross multiply
    28,351.68x = 42,513.32 × 16,509.34
  4. Step 4: Simplify right side
    28,351.68x = 701,866,854.41
  5. Step 5: Solve for x
    x = 701,866,854.41/28,351.68
  6. Step 6: Final answer
    x = 24,755.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.