Home / 25,986.72-35,862.48-14,808

Finding the Fourth Proportional to 25,986.72, 35,862.48 and 14,808

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Solution

The fourth proportional to 25,986.72, 35,862.48 and 14,808 is: 20,435.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,986.72 : 35,862.48 = 14,808 : x
  2. Step 2: Convert to fraction form
    25,986.72/35,862.48 = 14,808/x
  3. Step 3: Cross multiply
    25,986.72x = 35,862.48 × 14,808
  4. Step 4: Simplify right side
    25,986.72x = 531,051,603.84
  5. Step 5: Solve for x
    x = 531,051,603.84/25,986.72
  6. Step 6: Final answer
    x = 20,435.50

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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.