Home / 19,016.26-28,538.40-9,021.04

Finding the Fourth Proportional to 19,016.26, 28,538.40 and 9,021.04

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Solution

The fourth proportional to 19,016.26, 28,538.40 and 9,021.04 is: 13,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.26 : 28,538.40 = 9,021.04 : x
  2. Step 2: Convert to fraction form
    19,016.26/28,538.40 = 9,021.04/x
  3. Step 3: Cross multiply
    19,016.26x = 28,538.40 × 9,021.04
  4. Step 4: Simplify right side
    19,016.26x = 257,445,927.80
  5. Step 5: Solve for x
    x = 257,445,927.80/19,016.26
  6. Step 6: Final answer
    x = 13,538.20

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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.