Home / 28,299.09-39,050.85-15,552.00

Finding the Fourth Proportional to 28,299.09, 39,050.85 and 15,552.00

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Solution

The fourth proportional to 28,299.09, 39,050.85 and 15,552.00 is: 21,460.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.09 : 39,050.85 = 15,552.00 : x
  2. Step 2: Convert to fraction form
    28,299.09/39,050.85 = 15,552.00/x
  3. Step 3: Cross multiply
    28,299.09x = 39,050.85 × 15,552.00
  4. Step 4: Simplify right side
    28,299.09x = 607,318,623.95
  5. Step 5: Solve for x
    x = 607,318,623.95/28,299.09
  6. Step 6: Final answer
    x = 21,460.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.