Home / 27,325.88-40,938.87-19,810.81

Finding the Fourth Proportional to 27,325.88, 40,938.87 and 19,810.81

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Solution

The fourth proportional to 27,325.88, 40,938.87 and 19,810.81 is: 29,680.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,325.88 : 40,938.87 = 19,810.81 : x
  2. Step 2: Convert to fraction form
    27,325.88/40,938.87 = 19,810.81/x
  3. Step 3: Cross multiply
    27,325.88x = 40,938.87 × 19,810.81
  4. Step 4: Simplify right side
    27,325.88x = 811,032,129.79
  5. Step 5: Solve for x
    x = 811,032,129.79/27,325.88
  6. Step 6: Final answer
    x = 29,680.00

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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.