Home / 28,010.81-38,654.43-15,264.08

Finding the Fourth Proportional to 28,010.81, 38,654.43 and 15,264.08

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Solution

The fourth proportional to 28,010.81, 38,654.43 and 15,264.08 is: 21,064.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.81 : 38,654.43 = 15,264.08 : x
  2. Step 2: Convert to fraction form
    28,010.81/38,654.43 = 15,264.08/x
  3. Step 3: Cross multiply
    28,010.81x = 38,654.43 × 15,264.08
  4. Step 4: Simplify right side
    28,010.81x = 590,024,118.60
  5. Step 5: Solve for x
    x = 590,024,118.60/28,010.81
  6. Step 6: Final answer
    x = 21,064.16

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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.