Home / 23,889.60-32,880.60-21,038.33

Finding the Fourth Proportional to 23,889.60, 32,880.60 and 21,038.33

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Solution

The fourth proportional to 23,889.60, 32,880.60 and 21,038.33 is: 28,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,889.60 : 32,880.60 = 21,038.33 : x
  2. Step 2: Convert to fraction form
    23,889.60/32,880.60 = 21,038.33/x
  3. Step 3: Cross multiply
    23,889.60x = 32,880.60 × 21,038.33
  4. Step 4: Simplify right side
    23,889.60x = 691,752,995.60
  5. Step 5: Solve for x
    x = 691,752,995.60/23,889.60
  6. Step 6: Final answer
    x = 28,956.24

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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.