Home / 28,161.32-38,783.70-23,402.60

Finding the Fourth Proportional to 28,161.32, 38,783.70 and 23,402.60

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Solution

The fourth proportional to 28,161.32, 38,783.70 and 23,402.60 is: 32,230.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161.32 : 38,783.70 = 23,402.60 : x
  2. Step 2: Convert to fraction form
    28,161.32/38,783.70 = 23,402.60/x
  3. Step 3: Cross multiply
    28,161.32x = 38,783.70 × 23,402.60
  4. Step 4: Simplify right side
    28,161.32x = 907,639,417.62
  5. Step 5: Solve for x
    x = 907,639,417.62/28,161.32
  6. Step 6: Final answer
    x = 32,230.00

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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.