Home / 28,723.06-39,637.05-16,148.62

Finding the Fourth Proportional to 28,723.06, 39,637.05 and 16,148.62

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Solution

The fourth proportional to 28,723.06, 39,637.05 and 16,148.62 is: 22,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723.06 : 39,637.05 = 16,148.62 : x
  2. Step 2: Convert to fraction form
    28,723.06/39,637.05 = 16,148.62/x
  3. Step 3: Cross multiply
    28,723.06x = 39,637.05 × 16,148.62
  4. Step 4: Simplify right side
    28,723.06x = 640,083,658.37
  5. Step 5: Solve for x
    x = 640,083,658.37/28,723.06
  6. Step 6: Final answer
    x = 22,284.66

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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.