Home / 19,080.90-28,624.19-10,200.87

Finding the Fourth Proportional to 19,080.90, 28,624.19 and 10,200.87

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Solution

The fourth proportional to 19,080.90, 28,624.19 and 10,200.87 is: 15,302.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.90 : 28,624.19 = 10,200.87 : x
  2. Step 2: Convert to fraction form
    19,080.90/28,624.19 = 10,200.87/x
  3. Step 3: Cross multiply
    19,080.90x = 28,624.19 × 10,200.87
  4. Step 4: Simplify right side
    19,080.90x = 291,991,590.04
  5. Step 5: Solve for x
    x = 291,991,590.04/19,080.90
  6. Step 6: Final answer
    x = 15,302.82

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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.