Home / 23,327.24-32,116.64-20,762.78

Finding the Fourth Proportional to 23,327.24, 32,116.64 and 20,762.78

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Solution

The fourth proportional to 23,327.24, 32,116.64 and 20,762.78 is: 28,585.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,327.24 : 32,116.64 = 20,762.78 : x
  2. Step 2: Convert to fraction form
    23,327.24/32,116.64 = 20,762.78/x
  3. Step 3: Cross multiply
    23,327.24x = 32,116.64 × 20,762.78
  4. Step 4: Simplify right side
    23,327.24x = 666,830,466.26
  5. Step 5: Solve for x
    x = 666,830,466.26/23,327.24
  6. Step 6: Final answer
    x = 28,585.92

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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.