Home / 25,507.81-35,114.61-21,024.46

Finding the Fourth Proportional to 25,507.81, 35,114.61 and 21,024.46

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Solution

The fourth proportional to 25,507.81, 35,114.61 and 21,024.46 is: 28,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,507.81 : 35,114.61 = 21,024.46 : x
  2. Step 2: Convert to fraction form
    25,507.81/35,114.61 = 21,024.46/x
  3. Step 3: Cross multiply
    25,507.81x = 35,114.61 × 21,024.46
  4. Step 4: Simplify right side
    25,507.81x = 738,265,713.36
  5. Step 5: Solve for x
    x = 738,265,713.36/25,507.81
  6. Step 6: Final answer
    x = 28,942.73

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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.