Home / 28,316.84-39,075.24-15,569.82

Finding the Fourth Proportional to 28,316.84, 39,075.24 and 15,569.82

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Solution

The fourth proportional to 28,316.84, 39,075.24 and 15,569.82 is: 21,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,316.84 : 39,075.24 = 15,569.82 : x
  2. Step 2: Convert to fraction form
    28,316.84/39,075.24 = 15,569.82/x
  3. Step 3: Cross multiply
    28,316.84x = 39,075.24 × 15,569.82
  4. Step 4: Simplify right side
    28,316.84x = 608,394,380.27
  5. Step 5: Solve for x
    x = 608,394,380.27/28,316.84
  6. Step 6: Final answer
    x = 21,485.25

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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.