Home / 27,395.21-37,805.02-15,295.88

Finding the Fourth Proportional to 27,395.21, 37,805.02 and 15,295.88

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Solution

The fourth proportional to 27,395.21, 37,805.02 and 15,295.88 is: 21,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,395.21 : 37,805.02 = 15,295.88 : x
  2. Step 2: Convert to fraction form
    27,395.21/37,805.02 = 15,295.88/x
  3. Step 3: Cross multiply
    27,395.21x = 37,805.02 × 15,295.88
  4. Step 4: Simplify right side
    27,395.21x = 578,260,977.46
  5. Step 5: Solve for x
    x = 578,260,977.46/27,395.21
  6. Step 6: Final answer
    x = 21,108.11

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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.