Home / 28,301.59-39,054.29-15,554.50

Finding the Fourth Proportional to 28,301.59, 39,054.29 and 15,554.50

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Solution

The fourth proportional to 28,301.59, 39,054.29 and 15,554.50 is: 21,464.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.59 : 39,054.29 = 15,554.50 : x
  2. Step 2: Convert to fraction form
    28,301.59/39,054.29 = 15,554.50/x
  3. Step 3: Cross multiply
    28,301.59x = 39,054.29 × 15,554.50
  4. Step 4: Simplify right side
    28,301.59x = 607,469,953.81
  5. Step 5: Solve for x
    x = 607,469,953.81/28,301.59
  6. Step 6: Final answer
    x = 21,464.16

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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.