Home / 28,075.87-42,101.52-14,925.25

Finding the Fourth Proportional to 28,075.87, 42,101.52 and 14,925.25

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Solution

The fourth proportional to 28,075.87, 42,101.52 and 14,925.25 is: 22,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,075.87 : 42,101.52 = 14,925.25 : x
  2. Step 2: Convert to fraction form
    28,075.87/42,101.52 = 14,925.25/x
  3. Step 3: Cross multiply
    28,075.87x = 42,101.52 × 14,925.25
  4. Step 4: Simplify right side
    28,075.87x = 628,375,711.38
  5. Step 5: Solve for x
    x = 628,375,711.38/28,075.87
  6. Step 6: Final answer
    x = 22,381.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.