Home / 28,564.29-42,853.82-16,728.06

Finding the Fourth Proportional to 28,564.29, 42,853.82 and 16,728.06

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Solution

The fourth proportional to 28,564.29, 42,853.82 and 16,728.06 is: 25,096.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,564.29 : 42,853.82 = 16,728.06 : x
  2. Step 2: Convert to fraction form
    28,564.29/42,853.82 = 16,728.06/x
  3. Step 3: Cross multiply
    28,564.29x = 42,853.82 × 16,728.06
  4. Step 4: Simplify right side
    28,564.29x = 716,861,272.19
  5. Step 5: Solve for x
    x = 716,861,272.19/28,564.29
  6. Step 6: Final answer
    x = 25,096.41

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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.