Home / 28,075.48-38,759.92-19,474.19

Finding the Fourth Proportional to 28,075.48, 38,759.92 and 19,474.19

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Solution

The fourth proportional to 28,075.48, 38,759.92 and 19,474.19 is: 26,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,075.48 : 38,759.92 = 19,474.19 : x
  2. Step 2: Convert to fraction form
    28,075.48/38,759.92 = 19,474.19/x
  3. Step 3: Cross multiply
    28,075.48x = 38,759.92 × 19,474.19
  4. Step 4: Simplify right side
    28,075.48x = 754,817,949.33
  5. Step 5: Solve for x
    x = 754,817,949.33/28,075.48
  6. Step 6: Final answer
    x = 26,885.31

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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.