Home / 28,394.41-39,147.89-23,271.06

Finding the Fourth Proportional to 28,394.41, 39,147.89 and 23,271.06

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Solution

The fourth proportional to 28,394.41, 39,147.89 and 23,271.06 is: 32,084.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394.41 : 39,147.89 = 23,271.06 : x
  2. Step 2: Convert to fraction form
    28,394.41/39,147.89 = 23,271.06/x
  3. Step 3: Cross multiply
    28,394.41x = 39,147.89 × 23,271.06
  4. Step 4: Simplify right side
    28,394.41x = 911,012,897.06
  5. Step 5: Solve for x
    x = 911,012,897.06/28,394.41
  6. Step 6: Final answer
    x = 32,084.23

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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.