Home / 28,422.48-39,199.90-25,012.13

Finding the Fourth Proportional to 28,422.48, 39,199.90 and 25,012.13

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Solution

The fourth proportional to 28,422.48, 39,199.90 and 25,012.13 is: 34,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,422.48 : 39,199.90 = 25,012.13 : x
  2. Step 2: Convert to fraction form
    28,422.48/39,199.90 = 25,012.13/x
  3. Step 3: Cross multiply
    28,422.48x = 39,199.90 × 25,012.13
  4. Step 4: Simplify right side
    28,422.48x = 980,472,994.79
  5. Step 5: Solve for x
    x = 980,472,994.79/28,422.48
  6. Step 6: Final answer
    x = 34,496.39

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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.