Home / 28,514.01-42,772.45-12,716.32

Finding the Fourth Proportional to 28,514.01, 42,772.45 and 12,716.32

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Solution

The fourth proportional to 28,514.01, 42,772.45 and 12,716.32 is: 19,075.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514.01 : 42,772.45 = 12,716.32 : x
  2. Step 2: Convert to fraction form
    28,514.01/42,772.45 = 12,716.32/x
  3. Step 3: Cross multiply
    28,514.01x = 42,772.45 × 12,716.32
  4. Step 4: Simplify right side
    28,514.01x = 543,908,161.38
  5. Step 5: Solve for x
    x = 543,908,161.38/28,514.01
  6. Step 6: Final answer
    x = 19,075.12

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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.