Home / 28,053.54-38,709.18-15,952.14

Finding the Fourth Proportional to 28,053.54, 38,709.18 and 15,952.14

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Solution

The fourth proportional to 28,053.54, 38,709.18 and 15,952.14 is: 22,011.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053.54 : 38,709.18 = 15,952.14 : x
  2. Step 2: Convert to fraction form
    28,053.54/38,709.18 = 15,952.14/x
  3. Step 3: Cross multiply
    28,053.54x = 38,709.18 × 15,952.14
  4. Step 4: Simplify right side
    28,053.54x = 617,494,258.65
  5. Step 5: Solve for x
    x = 617,494,258.65/28,053.54
  6. Step 6: Final answer
    x = 22,011.28

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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.