Home / 28,116.30-38,810.26-18,072.30

Finding the Fourth Proportional to 28,116.30, 38,810.26 and 18,072.30

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Solution

The fourth proportional to 28,116.30, 38,810.26 and 18,072.30 is: 24,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,116.30 : 38,810.26 = 18,072.30 : x
  2. Step 2: Convert to fraction form
    28,116.30/38,810.26 = 18,072.30/x
  3. Step 3: Cross multiply
    28,116.30x = 38,810.26 × 18,072.30
  4. Step 4: Simplify right side
    28,116.30x = 701,390,661.80
  5. Step 5: Solve for x
    x = 701,390,661.80/28,116.30
  6. Step 6: Final answer
    x = 24,946.05

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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.