Home / 28,019.25-38,666.57-15,444.27

Finding the Fourth Proportional to 28,019.25, 38,666.57 and 15,444.27

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Solution

The fourth proportional to 28,019.25, 38,666.57 and 15,444.27 is: 21,313.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,019.25 : 38,666.57 = 15,444.27 : x
  2. Step 2: Convert to fraction form
    28,019.25/38,666.57 = 15,444.27/x
  3. Step 3: Cross multiply
    28,019.25x = 38,666.57 × 15,444.27
  4. Step 4: Simplify right side
    28,019.25x = 597,176,869.83
  5. Step 5: Solve for x
    x = 597,176,869.83/28,019.25
  6. Step 6: Final answer
    x = 21,313.09

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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.