Home / 19,285.38-28,907.01-7,585.74

Finding the Fourth Proportional to 19,285.38, 28,907.01 and 7,585.74

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Solution

The fourth proportional to 19,285.38, 28,907.01 and 7,585.74 is: 11,370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.38 : 28,907.01 = 7,585.74 : x
  2. Step 2: Convert to fraction form
    19,285.38/28,907.01 = 7,585.74/x
  3. Step 3: Cross multiply
    19,285.38x = 28,907.01 × 7,585.74
  4. Step 4: Simplify right side
    19,285.38x = 219,281,062.04
  5. Step 5: Solve for x
    x = 219,281,062.04/19,285.38
  6. Step 6: Final answer
    x = 11,370.33

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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.