Home / 19,139.76-28,675.66-16,338.32

Finding the Fourth Proportional to 19,139.76, 28,675.66 and 16,338.32

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Solution

The fourth proportional to 19,139.76, 28,675.66 and 16,338.32 is: 24,478.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139.76 : 28,675.66 = 16,338.32 : x
  2. Step 2: Convert to fraction form
    19,139.76/28,675.66 = 16,338.32/x
  3. Step 3: Cross multiply
    19,139.76x = 28,675.66 × 16,338.32
  4. Step 4: Simplify right side
    19,139.76x = 468,512,109.29
  5. Step 5: Solve for x
    x = 468,512,109.29/19,139.76
  6. Step 6: Final answer
    x = 24,478.47

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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.