Home / 27,807.02-38,342.94-17,719.49

Finding the Fourth Proportional to 27,807.02, 38,342.94 and 17,719.49

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Solution

The fourth proportional to 27,807.02, 38,342.94 and 17,719.49 is: 24,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,807.02 : 38,342.94 = 17,719.49 : x
  2. Step 2: Convert to fraction form
    27,807.02/38,342.94 = 17,719.49/x
  3. Step 3: Cross multiply
    27,807.02x = 38,342.94 × 17,719.49
  4. Step 4: Simplify right side
    27,807.02x = 679,417,305.14
  5. Step 5: Solve for x
    x = 679,417,305.14/27,807.02
  6. Step 6: Final answer
    x = 24,433.30

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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.