Home / 28,299.96-39,054.24-15,554.28

Finding the Fourth Proportional to 28,299.96, 39,054.24 and 15,554.28

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Solution

The fourth proportional to 28,299.96, 39,054.24 and 15,554.28 is: 21,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.96 : 39,054.24 = 15,554.28 : x
  2. Step 2: Convert to fraction form
    28,299.96/39,054.24 = 15,554.28/x
  3. Step 3: Cross multiply
    28,299.96x = 39,054.24 × 15,554.28
  4. Step 4: Simplify right side
    28,299.96x = 607,460,584.15
  5. Step 5: Solve for x
    x = 607,460,584.15/28,299.96
  6. Step 6: Final answer
    x = 21,465.07

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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.