Home / 25,762.80-38,644.20-23,721.60

Finding the Fourth Proportional to 25,762.80, 38,644.20 and 23,721.60

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Solution

The fourth proportional to 25,762.80, 38,644.20 and 23,721.60 is: 35,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,762.80 : 38,644.20 = 23,721.60 : x
  2. Step 2: Convert to fraction form
    25,762.80/38,644.20 = 23,721.60/x
  3. Step 3: Cross multiply
    25,762.80x = 38,644.20 × 23,721.60
  4. Step 4: Simplify right side
    25,762.80x = 916,702,254.72
  5. Step 5: Solve for x
    x = 916,702,254.72/25,762.80
  6. Step 6: Final answer
    x = 35,582.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.