Home / 25,209.32-37,820.21-10,422.47

Finding the Fourth Proportional to 25,209.32, 37,820.21 and 10,422.47

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Solution

The fourth proportional to 25,209.32, 37,820.21 and 10,422.47 is: 15,636.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,209.32 : 37,820.21 = 10,422.47 : x
  2. Step 2: Convert to fraction form
    25,209.32/37,820.21 = 10,422.47/x
  3. Step 3: Cross multiply
    25,209.32x = 37,820.21 × 10,422.47
  4. Step 4: Simplify right side
    25,209.32x = 394,180,004.12
  5. Step 5: Solve for x
    x = 394,180,004.12/25,209.32
  6. Step 6: Final answer
    x = 15,636.28

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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.