Home / 27,389.40-37,799.10-15,452.46

Finding the Fourth Proportional to 27,389.40, 37,799.10 and 15,452.46

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Solution

The fourth proportional to 27,389.40, 37,799.10 and 15,452.46 is: 21,325.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,389.40 : 37,799.10 = 15,452.46 : x
  2. Step 2: Convert to fraction form
    27,389.40/37,799.10 = 15,452.46/x
  3. Step 3: Cross multiply
    27,389.40x = 37,799.10 × 15,452.46
  4. Step 4: Simplify right side
    27,389.40x = 584,089,080.79
  5. Step 5: Solve for x
    x = 584,089,080.79/27,389.40
  6. Step 6: Final answer
    x = 21,325.37

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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.