Home / 25,718.40-38,548.80-13,233.60

Finding the Fourth Proportional to 25,718.40, 38,548.80 and 13,233.60

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Solution

The fourth proportional to 25,718.40, 38,548.80 and 13,233.60 is: 19,835.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.40 : 38,548.80 = 13,233.60 : x
  2. Step 2: Convert to fraction form
    25,718.40/38,548.80 = 13,233.60/x
  3. Step 3: Cross multiply
    25,718.40x = 38,548.80 × 13,233.60
  4. Step 4: Simplify right side
    25,718.40x = 510,139,399.68
  5. Step 5: Solve for x
    x = 510,139,399.68/25,718.40
  6. Step 6: Final answer
    x = 19,835.58

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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.