Home / 27,090.58-37,384.32-15,154.42

Finding the Fourth Proportional to 27,090.58, 37,384.32 and 15,154.42

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Solution

The fourth proportional to 27,090.58, 37,384.32 and 15,154.42 is: 20,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,090.58 : 37,384.32 = 15,154.42 : x
  2. Step 2: Convert to fraction form
    27,090.58/37,384.32 = 15,154.42/x
  3. Step 3: Cross multiply
    27,090.58x = 37,384.32 × 15,154.42
  4. Step 4: Simplify right side
    27,090.58x = 566,537,686.69
  5. Step 5: Solve for x
    x = 566,537,686.69/27,090.58
  6. Step 6: Final answer
    x = 20,912.72

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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.