Home / 25,988.47-35,873.31-15,378.08

Finding the Fourth Proportional to 25,988.47, 35,873.31 and 15,378.08

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Solution

The fourth proportional to 25,988.47, 35,873.31 and 15,378.08 is: 21,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,988.47 : 35,873.31 = 15,378.08 : x
  2. Step 2: Convert to fraction form
    25,988.47/35,873.31 = 15,378.08/x
  3. Step 3: Cross multiply
    25,988.47x = 35,873.31 × 15,378.08
  4. Step 4: Simplify right side
    25,988.47x = 551,662,631.04
  5. Step 5: Solve for x
    x = 551,662,631.04/25,988.47
  6. Step 6: Final answer
    x = 21,227.21

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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.