Home / 28,291.66-39,042.76-15,544.63

Finding the Fourth Proportional to 28,291.66, 39,042.76 and 15,544.63

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Solution

The fourth proportional to 28,291.66, 39,042.76 and 15,544.63 is: 21,451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,291.66 : 39,042.76 = 15,544.63 : x
  2. Step 2: Convert to fraction form
    28,291.66/39,042.76 = 15,544.63/x
  3. Step 3: Cross multiply
    28,291.66x = 39,042.76 × 15,544.63
  4. Step 4: Simplify right side
    28,291.66x = 606,905,355.99
  5. Step 5: Solve for x
    x = 606,905,355.99/28,291.66
  6. Step 6: Final answer
    x = 21,451.74

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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.