Home / 19,150.20-28,725.30-18,056.70

Finding the Fourth Proportional to 19,150.20, 28,725.30 and 18,056.70

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Solution

The fourth proportional to 19,150.20, 28,725.30 and 18,056.70 is: 27,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.20 : 28,725.30 = 18,056.70 : x
  2. Step 2: Convert to fraction form
    19,150.20/28,725.30 = 18,056.70/x
  3. Step 3: Cross multiply
    19,150.20x = 28,725.30 × 18,056.70
  4. Step 4: Simplify right side
    19,150.20x = 518,684,124.51
  5. Step 5: Solve for x
    x = 518,684,124.51/19,150.20
  6. Step 6: Final answer
    x = 27,085.05

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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.