Home / 28,001.19-42,001.78-9,533.19

Finding the Fourth Proportional to 28,001.19, 42,001.78 and 9,533.19

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Solution

The fourth proportional to 28,001.19, 42,001.78 and 9,533.19 is: 14,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,001.19 : 42,001.78 = 9,533.19 : x
  2. Step 2: Convert to fraction form
    28,001.19/42,001.78 = 9,533.19/x
  3. Step 3: Cross multiply
    28,001.19x = 42,001.78 × 9,533.19
  4. Step 4: Simplify right side
    28,001.19x = 400,410,949.08
  5. Step 5: Solve for x
    x = 400,410,949.08/28,001.19
  6. Step 6: Final answer
    x = 14,299.78

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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.