Home / 34,371.37-47,428.27-20,937.75

Finding the Fourth Proportional to 34,371.37, 47,428.27 and 20,937.75

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Solution

The fourth proportional to 34,371.37, 47,428.27 and 20,937.75 is: 28,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,371.37 : 47,428.27 = 20,937.75 : x
  2. Step 2: Convert to fraction form
    34,371.37/47,428.27 = 20,937.75/x
  3. Step 3: Cross multiply
    34,371.37x = 47,428.27 × 20,937.75
  4. Step 4: Simplify right side
    34,371.37x = 993,041,260.19
  5. Step 5: Solve for x
    x = 993,041,260.19/34,371.37
  6. Step 6: Final answer
    x = 28,891.52

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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.