Home / 28,348.36-39,119.07-15,599.36

Finding the Fourth Proportional to 28,348.36, 39,119.07 and 15,599.36

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Solution

The fourth proportional to 28,348.36, 39,119.07 and 15,599.36 is: 21,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348.36 : 39,119.07 = 15,599.36 : x
  2. Step 2: Convert to fraction form
    28,348.36/39,119.07 = 15,599.36/x
  3. Step 3: Cross multiply
    28,348.36x = 39,119.07 × 15,599.36
  4. Step 4: Simplify right side
    28,348.36x = 610,232,455.80
  5. Step 5: Solve for x
    x = 610,232,455.80/28,348.36
  6. Step 6: Final answer
    x = 21,526.20

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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.