Home / 28,999.42-43,486.84-10,284.18

Finding the Fourth Proportional to 28,999.42, 43,486.84 and 10,284.18

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Solution

The fourth proportional to 28,999.42, 43,486.84 and 10,284.18 is: 15,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.42 : 43,486.84 = 10,284.18 : x
  2. Step 2: Convert to fraction form
    28,999.42/43,486.84 = 10,284.18/x
  3. Step 3: Cross multiply
    28,999.42x = 43,486.84 × 10,284.18
  4. Step 4: Simplify right side
    28,999.42x = 447,226,490.19
  5. Step 5: Solve for x
    x = 447,226,490.19/28,999.42
  6. Step 6: Final answer
    x = 15,421.91

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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.