Home / 21,392.39-32,088.57-5,810.02

Finding the Fourth Proportional to 21,392.39, 32,088.57 and 5,810.02

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Solution

The fourth proportional to 21,392.39, 32,088.57 and 5,810.02 is: 8,715.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,392.39 : 32,088.57 = 5,810.02 : x
  2. Step 2: Convert to fraction form
    21,392.39/32,088.57 = 5,810.02/x
  3. Step 3: Cross multiply
    21,392.39x = 32,088.57 × 5,810.02
  4. Step 4: Simplify right side
    21,392.39x = 186,435,233.47
  5. Step 5: Solve for x
    x = 186,435,233.47/21,392.39
  6. Step 6: Final answer
    x = 8,715.03

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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.