Home / 19,075.80-28,560.88-14,381.60

Finding the Fourth Proportional to 19,075.80, 28,560.88 and 14,381.60

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Solution

The fourth proportional to 19,075.80, 28,560.88 and 14,381.60 is: 21,532.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075.80 : 28,560.88 = 14,381.60 : x
  2. Step 2: Convert to fraction form
    19,075.80/28,560.88 = 14,381.60/x
  3. Step 3: Cross multiply
    19,075.80x = 28,560.88 × 14,381.60
  4. Step 4: Simplify right side
    19,075.80x = 410,751,151.81
  5. Step 5: Solve for x
    x = 410,751,151.81/19,075.80
  6. Step 6: Final answer
    x = 21,532.58

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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.