Home / 28,835.65-42,966.83-25,691.50

Finding the Fourth Proportional to 28,835.65, 42,966.83 and 25,691.50

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Solution

The fourth proportional to 28,835.65, 42,966.83 and 25,691.50 is: 38,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.65 : 42,966.83 = 25,691.50 : x
  2. Step 2: Convert to fraction form
    28,835.65/42,966.83 = 25,691.50/x
  3. Step 3: Cross multiply
    28,835.65x = 42,966.83 × 25,691.50
  4. Step 4: Simplify right side
    28,835.65x = 1,103,882,312.95
  5. Step 5: Solve for x
    x = 1,103,882,312.95/28,835.65
  6. Step 6: Final answer
    x = 38,281.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.