Home / 28,339.54-39,108.39-15,593.50

Finding the Fourth Proportional to 28,339.54, 39,108.39 and 15,593.50

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Solution

The fourth proportional to 28,339.54, 39,108.39 and 15,593.50 is: 21,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,339.54 : 39,108.39 = 15,593.50 : x
  2. Step 2: Convert to fraction form
    28,339.54/39,108.39 = 15,593.50/x
  3. Step 3: Cross multiply
    28,339.54x = 39,108.39 × 15,593.50
  4. Step 4: Simplify right side
    28,339.54x = 609,836,679.47
  5. Step 5: Solve for x
    x = 609,836,679.47/28,339.54
  6. Step 6: Final answer
    x = 21,518.93

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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.