Home / 28,636.08-42,943.82-9,911.04

Finding the Fourth Proportional to 28,636.08, 42,943.82 and 9,911.04

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Solution

The fourth proportional to 28,636.08, 42,943.82 and 9,911.04 is: 14,863.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,636.08 : 42,943.82 = 9,911.04 : x
  2. Step 2: Convert to fraction form
    28,636.08/42,943.82 = 9,911.04/x
  3. Step 3: Cross multiply
    28,636.08x = 42,943.82 × 9,911.04
  4. Step 4: Simplify right side
    28,636.08x = 425,617,917.77
  5. Step 5: Solve for x
    x = 425,617,917.77/28,636.08
  6. Step 6: Final answer
    x = 14,863.00

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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.