Home / 28,275.79-38,998.96-19,208.14

Finding the Fourth Proportional to 28,275.79, 38,998.96 and 19,208.14

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Solution

The fourth proportional to 28,275.79, 38,998.96 and 19,208.14 is: 26,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275.79 : 38,998.96 = 19,208.14 : x
  2. Step 2: Convert to fraction form
    28,275.79/38,998.96 = 19,208.14/x
  3. Step 3: Cross multiply
    28,275.79x = 38,998.96 × 19,208.14
  4. Step 4: Simplify right side
    28,275.79x = 749,097,556.29
  5. Step 5: Solve for x
    x = 749,097,556.29/28,275.79
  6. Step 6: Final answer
    x = 26,492.54

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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.