Home / 25,220.70-37,835.64-10,421.58

Finding the Fourth Proportional to 25,220.70, 37,835.64 and 10,421.58

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Solution

The fourth proportional to 25,220.70, 37,835.64 and 10,421.58 is: 15,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,220.70 : 37,835.64 = 10,421.58 : x
  2. Step 2: Convert to fraction form
    25,220.70/37,835.64 = 10,421.58/x
  3. Step 3: Cross multiply
    25,220.70x = 37,835.64 × 10,421.58
  4. Step 4: Simplify right side
    25,220.70x = 394,307,149.11
  5. Step 5: Solve for x
    x = 394,307,149.11/25,220.70
  6. Step 6: Final answer
    x = 15,634.27

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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.