Home / 28,000.60-42,065.70-19,252.60

Finding the Fourth Proportional to 28,000.60, 42,065.70 and 19,252.60

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Solution

The fourth proportional to 28,000.60, 42,065.70 and 19,252.60 is: 28,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.60 : 42,065.70 = 19,252.60 : x
  2. Step 2: Convert to fraction form
    28,000.60/42,065.70 = 19,252.60/x
  3. Step 3: Cross multiply
    28,000.60x = 42,065.70 × 19,252.60
  4. Step 4: Simplify right side
    28,000.60x = 809,874,095.82
  5. Step 5: Solve for x
    x = 809,874,095.82/28,000.60
  6. Step 6: Final answer
    x = 28,923.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.