Home / 28,564.23-39,397.39-18,484.89

Finding the Fourth Proportional to 28,564.23, 39,397.39 and 18,484.89

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Solution

The fourth proportional to 28,564.23, 39,397.39 and 18,484.89 is: 25,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,564.23 : 39,397.39 = 18,484.89 : x
  2. Step 2: Convert to fraction form
    28,564.23/39,397.39 = 18,484.89/x
  3. Step 3: Cross multiply
    28,564.23x = 39,397.39 × 18,484.89
  4. Step 4: Simplify right side
    28,564.23x = 728,256,420.44
  5. Step 5: Solve for x
    x = 728,256,420.44/28,564.23
  6. Step 6: Final answer
    x = 25,495.40

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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.