Home / 28,568.09-39,424.05-15,992.84

Finding the Fourth Proportional to 28,568.09, 39,424.05 and 15,992.84

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Solution

The fourth proportional to 28,568.09, 39,424.05 and 15,992.84 is: 22,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,568.09 : 39,424.05 = 15,992.84 : x
  2. Step 2: Convert to fraction form
    28,568.09/39,424.05 = 15,992.84/x
  3. Step 3: Cross multiply
    28,568.09x = 39,424.05 × 15,992.84
  4. Step 4: Simplify right side
    28,568.09x = 630,502,622.36
  5. Step 5: Solve for x
    x = 630,502,622.36/28,568.09
  6. Step 6: Final answer
    x = 22,070.17

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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.