Home / 28,301.07-39,053.61-15,553.98

Finding the Fourth Proportional to 28,301.07, 39,053.61 and 15,553.98

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Solution

The fourth proportional to 28,301.07, 39,053.61 and 15,553.98 is: 21,463.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.07 : 39,053.61 = 15,553.98 : x
  2. Step 2: Convert to fraction form
    28,301.07/39,053.61 = 15,553.98/x
  3. Step 3: Cross multiply
    28,301.07x = 39,053.61 × 15,553.98
  4. Step 4: Simplify right side
    28,301.07x = 607,439,068.87
  5. Step 5: Solve for x
    x = 607,439,068.87/28,301.07
  6. Step 6: Final answer
    x = 21,463.47

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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.