Home / 28,174.92-38,881.45-15,254.33

Finding the Fourth Proportional to 28,174.92, 38,881.45 and 15,254.33

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Solution

The fourth proportional to 28,174.92, 38,881.45 and 15,254.33 is: 21,051.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,174.92 : 38,881.45 = 15,254.33 : x
  2. Step 2: Convert to fraction form
    28,174.92/38,881.45 = 15,254.33/x
  3. Step 3: Cross multiply
    28,174.92x = 38,881.45 × 15,254.33
  4. Step 4: Simplify right side
    28,174.92x = 593,110,293.84
  5. Step 5: Solve for x
    x = 593,110,293.84/28,174.92
  6. Step 6: Final answer
    x = 21,051.00

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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.