Home / 27,090.75-37,384.69-15,154.19

Finding the Fourth Proportional to 27,090.75, 37,384.69 and 15,154.19

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Solution

The fourth proportional to 27,090.75, 37,384.69 and 15,154.19 is: 20,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,090.75 : 37,384.69 = 15,154.19 : x
  2. Step 2: Convert to fraction form
    27,090.75/37,384.69 = 15,154.19/x
  3. Step 3: Cross multiply
    27,090.75x = 37,384.69 × 15,154.19
  4. Step 4: Simplify right side
    27,090.75x = 566,534,639.15
  5. Step 5: Solve for x
    x = 566,534,639.15/27,090.75
  6. Step 6: Final answer
    x = 20,912.47

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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.