Home / 27,342.02-37,731.27-15,404.64

Finding the Fourth Proportional to 27,342.02, 37,731.27 and 15,404.64

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Solution

The fourth proportional to 27,342.02, 37,731.27 and 15,404.64 is: 21,258.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,342.02 : 37,731.27 = 15,404.64 : x
  2. Step 2: Convert to fraction form
    27,342.02/37,731.27 = 15,404.64/x
  3. Step 3: Cross multiply
    27,342.02x = 37,731.27 × 15,404.64
  4. Step 4: Simplify right side
    27,342.02x = 581,236,631.09
  5. Step 5: Solve for x
    x = 581,236,631.09/27,342.02
  6. Step 6: Final answer
    x = 21,258.00

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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.