Home / 27,271.68-40,838.40-16,851.84

Finding the Fourth Proportional to 27,271.68, 40,838.40 and 16,851.84

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Solution

The fourth proportional to 27,271.68, 40,838.40 and 16,851.84 is: 25,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,271.68 : 40,838.40 = 16,851.84 : x
  2. Step 2: Convert to fraction form
    27,271.68/40,838.40 = 16,851.84/x
  3. Step 3: Cross multiply
    27,271.68x = 40,838.40 × 16,851.84
  4. Step 4: Simplify right side
    27,271.68x = 688,202,182.66
  5. Step 5: Solve for x
    x = 688,202,182.66/27,271.68
  6. Step 6: Final answer
    x = 25,235.05

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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.