Home / 28,087.32-38,747.52-18,010.92

Finding the Fourth Proportional to 28,087.32, 38,747.52 and 18,010.92

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Solution

The fourth proportional to 28,087.32, 38,747.52 and 18,010.92 is: 24,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,087.32 : 38,747.52 = 18,010.92 : x
  2. Step 2: Convert to fraction form
    28,087.32/38,747.52 = 18,010.92/x
  3. Step 3: Cross multiply
    28,087.32x = 38,747.52 × 18,010.92
  4. Step 4: Simplify right side
    28,087.32x = 697,878,482.92
  5. Step 5: Solve for x
    x = 697,878,482.92/28,087.32
  6. Step 6: Final answer
    x = 24,846.75

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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.