Home / 28,482.60-39,311.12-16,998.24

Finding the Fourth Proportional to 28,482.60, 39,311.12 and 16,998.24

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Solution

The fourth proportional to 28,482.60, 39,311.12 and 16,998.24 is: 23,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482.60 : 39,311.12 = 16,998.24 : x
  2. Step 2: Convert to fraction form
    28,482.60/39,311.12 = 16,998.24/x
  3. Step 3: Cross multiply
    28,482.60x = 39,311.12 × 16,998.24
  4. Step 4: Simplify right side
    28,482.60x = 668,219,852.43
  5. Step 5: Solve for x
    x = 668,219,852.43/28,482.60
  6. Step 6: Final answer
    x = 23,460.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.