Home / 28,874.84-43,312.25-9,153.39

Finding the Fourth Proportional to 28,874.84, 43,312.25 and 9,153.39

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Solution

The fourth proportional to 28,874.84, 43,312.25 and 9,153.39 is: 13,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.84 : 43,312.25 = 9,153.39 : x
  2. Step 2: Convert to fraction form
    28,874.84/43,312.25 = 9,153.39/x
  3. Step 3: Cross multiply
    28,874.84x = 43,312.25 × 9,153.39
  4. Step 4: Simplify right side
    28,874.84x = 396,453,870.26
  5. Step 5: Solve for x
    x = 396,453,870.26/28,874.84
  6. Step 6: Final answer
    x = 13,730.08

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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.