Home / 28,076.40-38,666.70-27,464.04

Finding the Fourth Proportional to 28,076.40, 38,666.70 and 27,464.04

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Solution

The fourth proportional to 28,076.40, 38,666.70 and 27,464.04 is: 37,823.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.40 : 38,666.70 = 27,464.04 : x
  2. Step 2: Convert to fraction form
    28,076.40/38,666.70 = 27,464.04/x
  3. Step 3: Cross multiply
    28,076.40x = 38,666.70 × 27,464.04
  4. Step 4: Simplify right side
    28,076.40x = 1,061,943,795.47
  5. Step 5: Solve for x
    x = 1,061,943,795.47/28,076.40
  6. Step 6: Final answer
    x = 37,823.36

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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.