Home / 28,320.83-42,482.18-8,599.32

Finding the Fourth Proportional to 28,320.83, 42,482.18 and 8,599.32

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Solution

The fourth proportional to 28,320.83, 42,482.18 and 8,599.32 is: 12,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,320.83 : 42,482.18 = 8,599.32 : x
  2. Step 2: Convert to fraction form
    28,320.83/42,482.18 = 8,599.32/x
  3. Step 3: Cross multiply
    28,320.83x = 42,482.18 × 8,599.32
  4. Step 4: Simplify right side
    28,320.83x = 365,317,817.12
  5. Step 5: Solve for x
    x = 365,317,817.12/28,320.83
  6. Step 6: Final answer
    x = 12,899.26

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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.