Home / 28,477.13-39,300.26-15,901.88

Finding the Fourth Proportional to 28,477.13, 39,300.26 and 15,901.88

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Solution

The fourth proportional to 28,477.13, 39,300.26 and 15,901.88 is: 21,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,477.13 : 39,300.26 = 15,901.88 : x
  2. Step 2: Convert to fraction form
    28,477.13/39,300.26 = 15,901.88/x
  3. Step 3: Cross multiply
    28,477.13x = 39,300.26 × 15,901.88
  4. Step 4: Simplify right side
    28,477.13x = 624,947,742.48
  5. Step 5: Solve for x
    x = 624,947,742.48/28,477.13
  6. Step 6: Final answer
    x = 21,945.61

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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.