Home / 26,419.42-36,459.21-15,809.50

Finding the Fourth Proportional to 26,419.42, 36,459.21 and 15,809.50

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Solution

The fourth proportional to 26,419.42, 36,459.21 and 15,809.50 is: 21,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,419.42 : 36,459.21 = 15,809.50 : x
  2. Step 2: Convert to fraction form
    26,419.42/36,459.21 = 15,809.50/x
  3. Step 3: Cross multiply
    26,419.42x = 36,459.21 × 15,809.50
  4. Step 4: Simplify right side
    26,419.42x = 576,401,880.50
  5. Step 5: Solve for x
    x = 576,401,880.50/26,419.42
  6. Step 6: Final answer
    x = 21,817.36

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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.