Home / 28,125.66-38,813.67-15,550.62

Finding the Fourth Proportional to 28,125.66, 38,813.67 and 15,550.62

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Solution

The fourth proportional to 28,125.66, 38,813.67 and 15,550.62 is: 21,460.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,125.66 : 38,813.67 = 15,550.62 : x
  2. Step 2: Convert to fraction form
    28,125.66/38,813.67 = 15,550.62/x
  3. Step 3: Cross multiply
    28,125.66x = 38,813.67 × 15,550.62
  4. Step 4: Simplify right side
    28,125.66x = 603,576,632.98
  5. Step 5: Solve for x
    x = 603,576,632.98/28,125.66
  6. Step 6: Final answer
    x = 21,460.00

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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.