Home / 25,986.02-35,858.76-15,373.58

Finding the Fourth Proportional to 25,986.02, 35,858.76 and 15,373.58

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Solution

The fourth proportional to 25,986.02, 35,858.76 and 15,373.58 is: 21,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,986.02 : 35,858.76 = 15,373.58 : x
  2. Step 2: Convert to fraction form
    25,986.02/35,858.76 = 15,373.58/x
  3. Step 3: Cross multiply
    25,986.02x = 35,858.76 × 15,373.58
  4. Step 4: Simplify right side
    25,986.02x = 551,277,515.56
  5. Step 5: Solve for x
    x = 551,277,515.56/25,986.02
  6. Step 6: Final answer
    x = 21,214.39

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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.