Home / 26,818.79-40,239.13-21,602.80

Finding the Fourth Proportional to 26,818.79, 40,239.13 and 21,602.80

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Solution

The fourth proportional to 26,818.79, 40,239.13 and 21,602.80 is: 32,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,818.79 : 40,239.13 = 21,602.80 : x
  2. Step 2: Convert to fraction form
    26,818.79/40,239.13 = 21,602.80/x
  3. Step 3: Cross multiply
    26,818.79x = 40,239.13 × 21,602.80
  4. Step 4: Simplify right side
    26,818.79x = 869,277,722.96
  5. Step 5: Solve for x
    x = 869,277,722.96/26,818.79
  6. Step 6: Final answer
    x = 32,413.01

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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.