Home / 28,073.54-38,740.47-15,498.02

Finding the Fourth Proportional to 28,073.54, 38,740.47 and 15,498.02

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Solution

The fourth proportional to 28,073.54, 38,740.47 and 15,498.02 is: 21,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073.54 : 38,740.47 = 15,498.02 : x
  2. Step 2: Convert to fraction form
    28,073.54/38,740.47 = 15,498.02/x
  3. Step 3: Cross multiply
    28,073.54x = 38,740.47 × 15,498.02
  4. Step 4: Simplify right side
    28,073.54x = 600,400,578.87
  5. Step 5: Solve for x
    x = 600,400,578.87/28,073.54
  6. Step 6: Final answer
    x = 21,386.71

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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.