Home / 28,075.58-38,745.76-16,140.04

Finding the Fourth Proportional to 28,075.58, 38,745.76 and 16,140.04

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Solution

The fourth proportional to 28,075.58, 38,745.76 and 16,140.04 is: 22,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,075.58 : 38,745.76 = 16,140.04 : x
  2. Step 2: Convert to fraction form
    28,075.58/38,745.76 = 16,140.04/x
  3. Step 3: Cross multiply
    28,075.58x = 38,745.76 × 16,140.04
  4. Step 4: Simplify right side
    28,075.58x = 625,358,116.23
  5. Step 5: Solve for x
    x = 625,358,116.23/28,075.58
  6. Step 6: Final answer
    x = 22,274.09

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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.