Home / 27,090.56-37,384.80-15,153.84

Finding the Fourth Proportional to 27,090.56, 37,384.80 and 15,153.84

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Solution

The fourth proportional to 27,090.56, 37,384.80 and 15,153.84 is: 20,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,090.56 : 37,384.80 = 15,153.84 : x
  2. Step 2: Convert to fraction form
    27,090.56/37,384.80 = 15,153.84/x
  3. Step 3: Cross multiply
    27,090.56x = 37,384.80 × 15,153.84
  4. Step 4: Simplify right side
    27,090.56x = 566,523,277.63
  5. Step 5: Solve for x
    x = 566,523,277.63/27,090.56
  6. Step 6: Final answer
    x = 20,912.20

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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.