Home / 28,544.60-39,353.80-23,421.35

Finding the Fourth Proportional to 28,544.60, 39,353.80 and 23,421.35

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Solution

The fourth proportional to 28,544.60, 39,353.80 and 23,421.35 is: 32,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544.60 : 39,353.80 = 23,421.35 : x
  2. Step 2: Convert to fraction form
    28,544.60/39,353.80 = 23,421.35/x
  3. Step 3: Cross multiply
    28,544.60x = 39,353.80 × 23,421.35
  4. Step 4: Simplify right side
    28,544.60x = 921,719,207.38
  5. Step 5: Solve for x
    x = 921,719,207.38/28,544.60
  6. Step 6: Final answer
    x = 32,290.49

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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.