Home / 28,903.67-39,888.57-17,571.32

Finding the Fourth Proportional to 28,903.67, 39,888.57 and 17,571.32

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Solution

The fourth proportional to 28,903.67, 39,888.57 and 17,571.32 is: 24,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.67 : 39,888.57 = 17,571.32 : x
  2. Step 2: Convert to fraction form
    28,903.67/39,888.57 = 17,571.32/x
  3. Step 3: Cross multiply
    28,903.67x = 39,888.57 × 17,571.32
  4. Step 4: Simplify right side
    28,903.67x = 700,894,628.37
  5. Step 5: Solve for x
    x = 700,894,628.37/28,903.67
  6. Step 6: Final answer
    x = 24,249.33

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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.