Home / 28,962.32-43,443.52-9,240.96

Finding the Fourth Proportional to 28,962.32, 43,443.52 and 9,240.96

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Solution

The fourth proportional to 28,962.32, 43,443.52 and 9,240.96 is: 13,861.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,962.32 : 43,443.52 = 9,240.96 : x
  2. Step 2: Convert to fraction form
    28,962.32/43,443.52 = 9,240.96/x
  3. Step 3: Cross multiply
    28,962.32x = 43,443.52 × 9,240.96
  4. Step 4: Simplify right side
    28,962.32x = 401,459,830.58
  5. Step 5: Solve for x
    x = 401,459,830.58/28,962.32
  6. Step 6: Final answer
    x = 13,861.45

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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.