Home / 25,171.39-34,727.88-15,607.84

Finding the Fourth Proportional to 25,171.39, 34,727.88 and 15,607.84

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Solution

The fourth proportional to 25,171.39, 34,727.88 and 15,607.84 is: 21,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,171.39 : 34,727.88 = 15,607.84 : x
  2. Step 2: Convert to fraction form
    25,171.39/34,727.88 = 15,607.84/x
  3. Step 3: Cross multiply
    25,171.39x = 34,727.88 × 15,607.84
  4. Step 4: Simplify right side
    25,171.39x = 542,026,999.57
  5. Step 5: Solve for x
    x = 542,026,999.57/25,171.39
  6. Step 6: Final answer
    x = 21,533.45

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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.