Home / 27,279.87-37,651.40-17,075.64

Finding the Fourth Proportional to 27,279.87, 37,651.40 and 17,075.64

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Solution

The fourth proportional to 27,279.87, 37,651.40 and 17,075.64 is: 23,567.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279.87 : 37,651.40 = 17,075.64 : x
  2. Step 2: Convert to fraction form
    27,279.87/37,651.40 = 17,075.64/x
  3. Step 3: Cross multiply
    27,279.87x = 37,651.40 × 17,075.64
  4. Step 4: Simplify right side
    27,279.87x = 642,921,666.52
  5. Step 5: Solve for x
    x = 642,921,666.52/27,279.87
  6. Step 6: Final answer
    x = 23,567.62

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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.