Home / 26,086.40-35,985.33-15,880.53

Finding the Fourth Proportional to 26,086.40, 35,985.33 and 15,880.53

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Solution

The fourth proportional to 26,086.40, 35,985.33 and 15,880.53 is: 21,906.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,086.40 : 35,985.33 = 15,880.53 : x
  2. Step 2: Convert to fraction form
    26,086.40/35,985.33 = 15,880.53/x
  3. Step 3: Cross multiply
    26,086.40x = 35,985.33 × 15,880.53
  4. Step 4: Simplify right side
    26,086.40x = 571,466,112.62
  5. Step 5: Solve for x
    x = 571,466,112.62/26,086.40
  6. Step 6: Final answer
    x = 21,906.67

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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.