Home / 25,173.39-34,730.64-15,609.84

Finding the Fourth Proportional to 25,173.39, 34,730.64 and 15,609.84

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Solution

The fourth proportional to 25,173.39, 34,730.64 and 15,609.84 is: 21,536.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,173.39 : 34,730.64 = 15,609.84 : x
  2. Step 2: Convert to fraction form
    25,173.39/34,730.64 = 15,609.84/x
  3. Step 3: Cross multiply
    25,173.39x = 34,730.64 × 15,609.84
  4. Step 4: Simplify right side
    25,173.39x = 542,139,733.50
  5. Step 5: Solve for x
    x = 542,139,733.50/25,173.39
  6. Step 6: Final answer
    x = 21,536.22

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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.