Home / 25,391.41-38,075.10-7,615.22

Finding the Fourth Proportional to 25,391.41, 38,075.10 and 7,615.22

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Solution

The fourth proportional to 25,391.41, 38,075.10 and 7,615.22 is: 11,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,391.41 : 38,075.10 = 7,615.22 : x
  2. Step 2: Convert to fraction form
    25,391.41/38,075.10 = 7,615.22/x
  3. Step 3: Cross multiply
    25,391.41x = 38,075.10 × 7,615.22
  4. Step 4: Simplify right side
    25,391.41x = 289,950,044.09
  5. Step 5: Solve for x
    x = 289,950,044.09/25,391.41
  6. Step 6: Final answer
    x = 11,419.22

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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.