Home / 18,924.17-28,411.36-16,168.55

Finding the Fourth Proportional to 18,924.17, 28,411.36 and 16,168.55

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Solution

The fourth proportional to 18,924.17, 28,411.36 and 16,168.55 is: 24,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.17 : 28,411.36 = 16,168.55 : x
  2. Step 2: Convert to fraction form
    18,924.17/28,411.36 = 16,168.55/x
  3. Step 3: Cross multiply
    18,924.17x = 28,411.36 × 16,168.55
  4. Step 4: Simplify right side
    18,924.17x = 459,370,312.25
  5. Step 5: Solve for x
    x = 459,370,312.25/18,924.17
  6. Step 6: Final answer
    x = 24,274.27

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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.