Home / 28,450.94-39,262.27-15,875.69

Finding the Fourth Proportional to 28,450.94, 39,262.27 and 15,875.69

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Solution

The fourth proportional to 28,450.94, 39,262.27 and 15,875.69 is: 21,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450.94 : 39,262.27 = 15,875.69 : x
  2. Step 2: Convert to fraction form
    28,450.94/39,262.27 = 15,875.69/x
  3. Step 3: Cross multiply
    28,450.94x = 39,262.27 × 15,875.69
  4. Step 4: Simplify right side
    28,450.94x = 623,315,627.22
  5. Step 5: Solve for x
    x = 623,315,627.22/28,450.94
  6. Step 6: Final answer
    x = 21,908.44

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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.