Home / 25,419.45-35,077.91-15,346.94

Finding the Fourth Proportional to 25,419.45, 35,077.91 and 15,346.94

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Solution

The fourth proportional to 25,419.45, 35,077.91 and 15,346.94 is: 21,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,419.45 : 35,077.91 = 15,346.94 : x
  2. Step 2: Convert to fraction form
    25,419.45/35,077.91 = 15,346.94/x
  3. Step 3: Cross multiply
    25,419.45x = 35,077.91 × 15,346.94
  4. Step 4: Simplify right side
    25,419.45x = 538,338,580.10
  5. Step 5: Solve for x
    x = 538,338,580.10/25,419.45
  6. Step 6: Final answer
    x = 21,178.22

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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.