Home / 19,308.26-28,967.26-5,457.26

Finding the Fourth Proportional to 19,308.26, 28,967.26 and 5,457.26

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Solution

The fourth proportional to 19,308.26, 28,967.26 and 5,457.26 is: 8,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308.26 : 28,967.26 = 5,457.26 : x
  2. Step 2: Convert to fraction form
    19,308.26/28,967.26 = 5,457.26/x
  3. Step 3: Cross multiply
    19,308.26x = 28,967.26 × 5,457.26
  4. Step 4: Simplify right side
    19,308.26x = 158,081,869.31
  5. Step 5: Solve for x
    x = 158,081,869.31/19,308.26
  6. Step 6: Final answer
    x = 8,187.27

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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.