Home / 27,302.08-40,898.94-21,040.36

Finding the Fourth Proportional to 27,302.08, 40,898.94 and 21,040.36

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Solution

The fourth proportional to 27,302.08, 40,898.94 and 21,040.36 is: 31,518.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,302.08 : 40,898.94 = 21,040.36 : x
  2. Step 2: Convert to fraction form
    27,302.08/40,898.94 = 21,040.36/x
  3. Step 3: Cross multiply
    27,302.08x = 40,898.94 × 21,040.36
  4. Step 4: Simplify right side
    27,302.08x = 860,528,421.22
  5. Step 5: Solve for x
    x = 860,528,421.22/27,302.08
  6. Step 6: Final answer
    x = 31,518.79

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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.