Home / 28,261.49-42,391.79-9,554.66

Finding the Fourth Proportional to 28,261.49, 42,391.79 and 9,554.66

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Solution

The fourth proportional to 28,261.49, 42,391.79 and 9,554.66 is: 14,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,261.49 : 42,391.79 = 9,554.66 : x
  2. Step 2: Convert to fraction form
    28,261.49/42,391.79 = 9,554.66/x
  3. Step 3: Cross multiply
    28,261.49x = 42,391.79 × 9,554.66
  4. Step 4: Simplify right side
    28,261.49x = 405,039,075.31
  5. Step 5: Solve for x
    x = 405,039,075.31/28,261.49
  6. Step 6: Final answer
    x = 14,331.84

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1.5x scale

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.