Home / 28,338.70-39,108.34-15,593.34

Finding the Fourth Proportional to 28,338.70, 39,108.34 and 15,593.34

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Solution

The fourth proportional to 28,338.70, 39,108.34 and 15,593.34 is: 21,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338.70 : 39,108.34 = 15,593.34 : x
  2. Step 2: Convert to fraction form
    28,338.70/39,108.34 = 15,593.34/x
  3. Step 3: Cross multiply
    28,338.70x = 39,108.34 × 15,593.34
  4. Step 4: Simplify right side
    28,338.70x = 609,829,642.46
  5. Step 5: Solve for x
    x = 609,829,642.46/28,338.70
  6. Step 6: Final answer
    x = 21,519.32

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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.