Home / 27,943.62-38,562.02-15,846.40

Finding the Fourth Proportional to 27,943.62, 38,562.02 and 15,846.40

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Solution

The fourth proportional to 27,943.62, 38,562.02 and 15,846.40 is: 21,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,943.62 : 38,562.02 = 15,846.40 : x
  2. Step 2: Convert to fraction form
    27,943.62/38,562.02 = 15,846.40/x
  3. Step 3: Cross multiply
    27,943.62x = 38,562.02 × 15,846.40
  4. Step 4: Simplify right side
    27,943.62x = 611,069,000.92
  5. Step 5: Solve for x
    x = 611,069,000.92/27,943.62
  6. Step 6: Final answer
    x = 21,867.93

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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.