Home / 28,491.33-42,746.21-13,701.34

Finding the Fourth Proportional to 28,491.33, 42,746.21 and 13,701.34

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Solution

The fourth proportional to 28,491.33, 42,746.21 and 13,701.34 is: 20,556.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,491.33 : 42,746.21 = 13,701.34 : x
  2. Step 2: Convert to fraction form
    28,491.33/42,746.21 = 13,701.34/x
  3. Step 3: Cross multiply
    28,491.33x = 42,746.21 × 13,701.34
  4. Step 4: Simplify right side
    28,491.33x = 585,680,356.92
  5. Step 5: Solve for x
    x = 585,680,356.92/28,491.33
  6. Step 6: Final answer
    x = 20,556.44

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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.