Home / 26,087.40-35,986.71-15,881.53

Finding the Fourth Proportional to 26,087.40, 35,986.71 and 15,881.53

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Solution

The fourth proportional to 26,087.40, 35,986.71 and 15,881.53 is: 21,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,087.40 : 35,986.71 = 15,881.53 : x
  2. Step 2: Convert to fraction form
    26,087.40/35,986.71 = 15,881.53/x
  3. Step 3: Cross multiply
    26,087.40x = 35,986.71 × 15,881.53
  4. Step 4: Simplify right side
    26,087.40x = 571,524,014.47
  5. Step 5: Solve for x
    x = 571,524,014.47/26,087.40
  6. Step 6: Final answer
    x = 21,908.05

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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.