Home / 28,052.88-38,713.71-15,306.27

Finding the Fourth Proportional to 28,052.88, 38,713.71 and 15,306.27

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Solution

The fourth proportional to 28,052.88, 38,713.71 and 15,306.27 is: 21,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.88 : 38,713.71 = 15,306.27 : x
  2. Step 2: Convert to fraction form
    28,052.88/38,713.71 = 15,306.27/x
  3. Step 3: Cross multiply
    28,052.88x = 38,713.71 × 15,306.27
  4. Step 4: Simplify right side
    28,052.88x = 592,562,497.96
  5. Step 5: Solve for x
    x = 592,562,497.96/28,052.88
  6. Step 6: Final answer
    x = 21,123.05

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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.