Home / 28,476.48-39,297.60-15,901.68

Finding the Fourth Proportional to 28,476.48, 39,297.60 and 15,901.68

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Solution

The fourth proportional to 28,476.48, 39,297.60 and 15,901.68 is: 21,944.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476.48 : 39,297.60 = 15,901.68 : x
  2. Step 2: Convert to fraction form
    28,476.48/39,297.60 = 15,901.68/x
  3. Step 3: Cross multiply
    28,476.48x = 39,297.60 × 15,901.68
  4. Step 4: Simplify right side
    28,476.48x = 624,897,859.97
  5. Step 5: Solve for x
    x = 624,897,859.97/28,476.48
  6. Step 6: Final answer
    x = 21,944.35

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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.