Home / 26,378.34-39,567.54-12,354.12

Finding the Fourth Proportional to 26,378.34, 39,567.54 and 12,354.12

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Solution

The fourth proportional to 26,378.34, 39,567.54 and 12,354.12 is: 18,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.34 : 39,567.54 = 12,354.12 : x
  2. Step 2: Convert to fraction form
    26,378.34/39,567.54 = 12,354.12/x
  3. Step 3: Cross multiply
    26,378.34x = 39,567.54 × 12,354.12
  4. Step 4: Simplify right side
    26,378.34x = 488,822,137.26
  5. Step 5: Solve for x
    x = 488,822,137.26/26,378.34
  6. Step 6: Final answer
    x = 18,531.19

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1.5x scale

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.