Home / 17,275.72-23,877.32-15,228.04

Finding the Fourth Proportional to 17,275.72, 23,877.32 and 15,228.04

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Solution

The fourth proportional to 17,275.72, 23,877.32 and 15,228.04 is: 21,047.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,275.72 : 23,877.32 = 15,228.04 : x
  2. Step 2: Convert to fraction form
    17,275.72/23,877.32 = 15,228.04/x
  3. Step 3: Cross multiply
    17,275.72x = 23,877.32 × 15,228.04
  4. Step 4: Simplify right side
    17,275.72x = 363,604,784.05
  5. Step 5: Solve for x
    x = 363,604,784.05/17,275.72
  6. Step 6: Final answer
    x = 21,047.16

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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.