Home / 28,100.34-38,810.36-19,132.27

Finding the Fourth Proportional to 28,100.34, 38,810.36 and 19,132.27

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Solution

The fourth proportional to 28,100.34, 38,810.36 and 19,132.27 is: 26,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,100.34 : 38,810.36 = 19,132.27 : x
  2. Step 2: Convert to fraction form
    28,100.34/38,810.36 = 19,132.27/x
  3. Step 3: Cross multiply
    28,100.34x = 38,810.36 × 19,132.27
  4. Step 4: Simplify right side
    28,100.34x = 742,530,237.12
  5. Step 5: Solve for x
    x = 742,530,237.12/28,100.34
  6. Step 6: Final answer
    x = 26,424.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.