Home / 28,299.48-42,453.81-9,580.65

Finding the Fourth Proportional to 28,299.48, 42,453.81 and 9,580.65

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Solution

The fourth proportional to 28,299.48, 42,453.81 and 9,580.65 is: 14,372.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.48 : 42,453.81 = 9,580.65 : x
  2. Step 2: Convert to fraction form
    28,299.48/42,453.81 = 9,580.65/x
  3. Step 3: Cross multiply
    28,299.48x = 42,453.81 × 9,580.65
  4. Step 4: Simplify right side
    28,299.48x = 406,735,094.78
  5. Step 5: Solve for x
    x = 406,735,094.78/28,299.48
  6. Step 6: Final answer
    x = 14,372.53

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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.