Home / 19,090.26-28,624.52-7,842.40

Finding the Fourth Proportional to 19,090.26, 28,624.52 and 7,842.40

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Solution

The fourth proportional to 19,090.26, 28,624.52 and 7,842.40 is: 11,759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.26 : 28,624.52 = 7,842.40 : x
  2. Step 2: Convert to fraction form
    19,090.26/28,624.52 = 7,842.40/x
  3. Step 3: Cross multiply
    19,090.26x = 28,624.52 × 7,842.40
  4. Step 4: Simplify right side
    19,090.26x = 224,484,883.69
  5. Step 5: Solve for x
    x = 224,484,883.69/19,090.26
  6. Step 6: Final answer
    x = 11,759.13

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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.