Home / 18,875.46-28,332.86-18,451.89

Finding the Fourth Proportional to 18,875.46, 28,332.86 and 18,451.89

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Solution

The fourth proportional to 18,875.46, 28,332.86 and 18,451.89 is: 27,697.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.46 : 28,332.86 = 18,451.89 : x
  2. Step 2: Convert to fraction form
    18,875.46/28,332.86 = 18,451.89/x
  3. Step 3: Cross multiply
    18,875.46x = 28,332.86 × 18,451.89
  4. Step 4: Simplify right side
    18,875.46x = 522,794,816.11
  5. Step 5: Solve for x
    x = 522,794,816.11/18,875.46
  6. Step 6: Final answer
    x = 27,697.06

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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.