Home / 25,677.84-35,436-15,075.12

Finding the Fourth Proportional to 25,677.84, 35,436 and 15,075.12

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Solution

The fourth proportional to 25,677.84, 35,436 and 15,075.12 is: 20,804.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,677.84 : 35,436 = 15,075.12 : x
  2. Step 2: Convert to fraction form
    25,677.84/35,436 = 15,075.12/x
  3. Step 3: Cross multiply
    25,677.84x = 35,436 × 15,075.12
  4. Step 4: Simplify right side
    25,677.84x = 534,201,952.32
  5. Step 5: Solve for x
    x = 534,201,952.32/25,677.84
  6. Step 6: Final answer
    x = 20,804.01

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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.