Home / 25,141.90-37,740.58-21,241.40

Finding the Fourth Proportional to 25,141.90, 37,740.58 and 21,241.40

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Solution

The fourth proportional to 25,141.90, 37,740.58 and 21,241.40 is: 31,885.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,141.90 : 37,740.58 = 21,241.40 : x
  2. Step 2: Convert to fraction form
    25,141.90/37,740.58 = 21,241.40/x
  3. Step 3: Cross multiply
    25,141.90x = 37,740.58 × 21,241.40
  4. Step 4: Simplify right side
    25,141.90x = 801,662,756.01
  5. Step 5: Solve for x
    x = 801,662,756.01/25,141.90
  6. Step 6: Final answer
    x = 31,885.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.