Home / 28,330.98-39,073.50-25,146.60

Finding the Fourth Proportional to 28,330.98, 39,073.50 and 25,146.60

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Solution

The fourth proportional to 28,330.98, 39,073.50 and 25,146.60 is: 34,681.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.98 : 39,073.50 = 25,146.60 : x
  2. Step 2: Convert to fraction form
    28,330.98/39,073.50 = 25,146.60/x
  3. Step 3: Cross multiply
    28,330.98x = 39,073.50 × 25,146.60
  4. Step 4: Simplify right side
    28,330.98x = 982,565,675.10
  5. Step 5: Solve for x
    x = 982,565,675.10/28,330.98
  6. Step 6: Final answer
    x = 34,681.67

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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.