Home / 25,655.40-38,485.28-9,013.98

Finding the Fourth Proportional to 25,655.40, 38,485.28 and 9,013.98

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Solution

The fourth proportional to 25,655.40, 38,485.28 and 9,013.98 is: 13,521.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,655.40 : 38,485.28 = 9,013.98 : x
  2. Step 2: Convert to fraction form
    25,655.40/38,485.28 = 9,013.98/x
  3. Step 3: Cross multiply
    25,655.40x = 38,485.28 × 9,013.98
  4. Step 4: Simplify right side
    25,655.40x = 346,905,544.21
  5. Step 5: Solve for x
    x = 346,905,544.21/25,655.40
  6. Step 6: Final answer
    x = 13,521.74

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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.