Home / 28,025.10-42,037.65-18,110.70

Finding the Fourth Proportional to 28,025.10, 42,037.65 and 18,110.70

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Solution

The fourth proportional to 28,025.10, 42,037.65 and 18,110.70 is: 27,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.10 : 42,037.65 = 18,110.70 : x
  2. Step 2: Convert to fraction form
    28,025.10/42,037.65 = 18,110.70/x
  3. Step 3: Cross multiply
    28,025.10x = 42,037.65 × 18,110.70
  4. Step 4: Simplify right side
    28,025.10x = 761,331,267.86
  5. Step 5: Solve for x
    x = 761,331,267.86/28,025.10
  6. Step 6: Final answer
    x = 27,166.05

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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.