Home / 28,166.64-38,783.16-25,017.36

Finding the Fourth Proportional to 28,166.64, 38,783.16 and 25,017.36

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Solution

The fourth proportional to 28,166.64, 38,783.16 and 25,017.36 is: 34,446.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166.64 : 38,783.16 = 25,017.36 : x
  2. Step 2: Convert to fraction form
    28,166.64/38,783.16 = 25,017.36/x
  3. Step 3: Cross multiply
    28,166.64x = 38,783.16 × 25,017.36
  4. Step 4: Simplify right side
    28,166.64x = 970,252,275.66
  5. Step 5: Solve for x
    x = 970,252,275.66/28,166.64
  6. Step 6: Final answer
    x = 34,446.86

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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.