Home / 28,719.80-43,085.76-14,496.38

Finding the Fourth Proportional to 28,719.80, 43,085.76 and 14,496.38

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Solution

The fourth proportional to 28,719.80, 43,085.76 and 14,496.38 is: 21,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,719.80 : 43,085.76 = 14,496.38 : x
  2. Step 2: Convert to fraction form
    28,719.80/43,085.76 = 14,496.38/x
  3. Step 3: Cross multiply
    28,719.80x = 43,085.76 × 14,496.38
  4. Step 4: Simplify right side
    28,719.80x = 624,587,549.55
  5. Step 5: Solve for x
    x = 624,587,549.55/28,719.80
  6. Step 6: Final answer
    x = 21,747.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.