Home / 28,010.64-38,654.58-15,264.54

Finding the Fourth Proportional to 28,010.64, 38,654.58 and 15,264.54

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Solution

The fourth proportional to 28,010.64, 38,654.58 and 15,264.54 is: 21,065.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.64 : 38,654.58 = 15,264.54 : x
  2. Step 2: Convert to fraction form
    28,010.64/38,654.58 = 15,264.54/x
  3. Step 3: Cross multiply
    28,010.64x = 38,654.58 × 15,264.54
  4. Step 4: Simplify right side
    28,010.64x = 590,044,382.59
  5. Step 5: Solve for x
    x = 590,044,382.59/28,010.64
  6. Step 6: Final answer
    x = 21,065.01

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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.