Home / 19,270.08-28,725.24-19,062.72

Finding the Fourth Proportional to 19,270.08, 28,725.24 and 19,062.72

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Solution

The fourth proportional to 19,270.08, 28,725.24 and 19,062.72 is: 28,416.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.08 : 28,725.24 = 19,062.72 : x
  2. Step 2: Convert to fraction form
    19,270.08/28,725.24 = 19,062.72/x
  3. Step 3: Cross multiply
    19,270.08x = 28,725.24 × 19,062.72
  4. Step 4: Simplify right side
    19,270.08x = 547,581,207.05
  5. Step 5: Solve for x
    x = 547,581,207.05/19,270.08
  6. Step 6: Final answer
    x = 28,416.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.