Home / 28,313.83-42,474.83-10,542.99

Finding the Fourth Proportional to 28,313.83, 42,474.83 and 10,542.99

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Solution

The fourth proportional to 28,313.83, 42,474.83 and 10,542.99 is: 15,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.83 : 42,474.83 = 10,542.99 : x
  2. Step 2: Convert to fraction form
    28,313.83/42,474.83 = 10,542.99/x
  3. Step 3: Cross multiply
    28,313.83x = 42,474.83 × 10,542.99
  4. Step 4: Simplify right side
    28,313.83x = 447,811,707.94
  5. Step 5: Solve for x
    x = 447,811,707.94/28,313.83
  6. Step 6: Final answer
    x = 15,816.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.