Home / 18,830.34-28,280.58-16,579.64

Finding the Fourth Proportional to 18,830.34, 28,280.58 and 16,579.64

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Solution

The fourth proportional to 18,830.34, 28,280.58 and 16,579.64 is: 24,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.34 : 28,280.58 = 16,579.64 : x
  2. Step 2: Convert to fraction form
    18,830.34/28,280.58 = 16,579.64/x
  3. Step 3: Cross multiply
    18,830.34x = 28,280.58 × 16,579.64
  4. Step 4: Simplify right side
    18,830.34x = 468,881,835.39
  5. Step 5: Solve for x
    x = 468,881,835.39/18,830.34
  6. Step 6: Final answer
    x = 24,900.34

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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.