Home / 28,547.96-39,396.26-15,802.02

Finding the Fourth Proportional to 28,547.96, 39,396.26 and 15,802.02

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Solution

The fourth proportional to 28,547.96, 39,396.26 and 15,802.02 is: 21,806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547.96 : 39,396.26 = 15,802.02 : x
  2. Step 2: Convert to fraction form
    28,547.96/39,396.26 = 15,802.02/x
  3. Step 3: Cross multiply
    28,547.96x = 39,396.26 × 15,802.02
  4. Step 4: Simplify right side
    28,547.96x = 622,540,409.44
  5. Step 5: Solve for x
    x = 622,540,409.44/28,547.96
  6. Step 6: Final answer
    x = 21,806.83

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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.