Home / 25,075.68-34,605.60-13,897.92

Finding the Fourth Proportional to 25,075.68, 34,605.60 and 13,897.92

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Solution

The fourth proportional to 25,075.68, 34,605.60 and 13,897.92 is: 19,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,075.68 : 34,605.60 = 13,897.92 : x
  2. Step 2: Convert to fraction form
    25,075.68/34,605.60 = 13,897.92/x
  3. Step 3: Cross multiply
    25,075.68x = 34,605.60 × 13,897.92
  4. Step 4: Simplify right side
    25,075.68x = 480,945,860.35
  5. Step 5: Solve for x
    x = 480,945,860.35/25,075.68
  6. Step 6: Final answer
    x = 19,179.77

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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.