Home / 25,919.52-35,730.75-18,342.37

Finding the Fourth Proportional to 25,919.52, 35,730.75 and 18,342.37

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Solution

The fourth proportional to 25,919.52, 35,730.75 and 18,342.37 is: 25,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,919.52 : 35,730.75 = 18,342.37 : x
  2. Step 2: Convert to fraction form
    25,919.52/35,730.75 = 18,342.37/x
  3. Step 3: Cross multiply
    25,919.52x = 35,730.75 × 18,342.37
  4. Step 4: Simplify right side
    25,919.52x = 655,386,636.88
  5. Step 5: Solve for x
    x = 655,386,636.88/25,919.52
  6. Step 6: Final answer
    x = 25,285.45

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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.