Home / 28,052.18-38,710.86-15,476.92

Finding the Fourth Proportional to 28,052.18, 38,710.86 and 15,476.92

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Solution

The fourth proportional to 28,052.18, 38,710.86 and 15,476.92 is: 21,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.18 : 38,710.86 = 15,476.92 : x
  2. Step 2: Convert to fraction form
    28,052.18/38,710.86 = 15,476.92/x
  3. Step 3: Cross multiply
    28,052.18x = 38,710.86 × 15,476.92
  4. Step 4: Simplify right side
    28,052.18x = 599,124,883.35
  5. Step 5: Solve for x
    x = 599,124,883.35/28,052.18
  6. Step 6: Final answer
    x = 21,357.52

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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.