Home / 21,271.77-29,344.95-16,523.55

Finding the Fourth Proportional to 21,271.77, 29,344.95 and 16,523.55

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Solution

The fourth proportional to 21,271.77, 29,344.95 and 16,523.55 is: 22,794.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,271.77 : 29,344.95 = 16,523.55 : x
  2. Step 2: Convert to fraction form
    21,271.77/29,344.95 = 16,523.55/x
  3. Step 3: Cross multiply
    21,271.77x = 29,344.95 × 16,523.55
  4. Step 4: Simplify right side
    21,271.77x = 484,882,748.57
  5. Step 5: Solve for x
    x = 484,882,748.57/21,271.77
  6. Step 6: Final answer
    x = 22,794.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.