Home / 28,278.84-39,017.82-16,014.45

Finding the Fourth Proportional to 28,278.84, 39,017.82 and 16,014.45

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Solution

The fourth proportional to 28,278.84, 39,017.82 and 16,014.45 is: 22,095.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,278.84 : 39,017.82 = 16,014.45 : x
  2. Step 2: Convert to fraction form
    28,278.84/39,017.82 = 16,014.45/x
  3. Step 3: Cross multiply
    28,278.84x = 39,017.82 × 16,014.45
  4. Step 4: Simplify right side
    28,278.84x = 624,848,927.50
  5. Step 5: Solve for x
    x = 624,848,927.50/28,278.84
  6. Step 6: Final answer
    x = 22,095.99

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1.5x scale

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.