Home / 25,717.04-35,501-15,107.36

Finding the Fourth Proportional to 25,717.04, 35,501 and 15,107.36

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Solution

The fourth proportional to 25,717.04, 35,501 and 15,107.36 is: 20,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,717.04 : 35,501 = 15,107.36 : x
  2. Step 2: Convert to fraction form
    25,717.04/35,501 = 15,107.36/x
  3. Step 3: Cross multiply
    25,717.04x = 35,501 × 15,107.36
  4. Step 4: Simplify right side
    25,717.04x = 536,326,387.36
  5. Step 5: Solve for x
    x = 536,326,387.36/25,717.04
  6. Step 6: Final answer
    x = 20,854.90

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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.