Home / 28,346.33-39,118.10-15,599.15

Finding the Fourth Proportional to 28,346.33, 39,118.10 and 15,599.15

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Solution

The fourth proportional to 28,346.33, 39,118.10 and 15,599.15 is: 21,526.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.33 : 39,118.10 = 15,599.15 : x
  2. Step 2: Convert to fraction form
    28,346.33/39,118.10 = 15,599.15/x
  3. Step 3: Cross multiply
    28,346.33x = 39,118.10 × 15,599.15
  4. Step 4: Simplify right side
    28,346.33x = 610,208,836.03
  5. Step 5: Solve for x
    x = 610,208,836.03/28,346.33
  6. Step 6: Final answer
    x = 21,526.91

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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.