Home / 28,941.48-43,418-12,301.36

Finding the Fourth Proportional to 28,941.48, 43,418 and 12,301.36

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Solution

The fourth proportional to 28,941.48, 43,418 and 12,301.36 is: 18,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.48 : 43,418 = 12,301.36 : x
  2. Step 2: Convert to fraction form
    28,941.48/43,418 = 12,301.36/x
  3. Step 3: Cross multiply
    28,941.48x = 43,418 × 12,301.36
  4. Step 4: Simplify right side
    28,941.48x = 534,100,448.48
  5. Step 5: Solve for x
    x = 534,100,448.48/28,941.48
  6. Step 6: Final answer
    x = 18,454.50

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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.