Home / 28,763.37-43,130.34-13,167.63

Finding the Fourth Proportional to 28,763.37, 43,130.34 and 13,167.63

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Solution

The fourth proportional to 28,763.37, 43,130.34 and 13,167.63 is: 19,744.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.37 : 43,130.34 = 13,167.63 : x
  2. Step 2: Convert to fraction form
    28,763.37/43,130.34 = 13,167.63/x
  3. Step 3: Cross multiply
    28,763.37x = 43,130.34 × 13,167.63
  4. Step 4: Simplify right side
    28,763.37x = 567,924,358.89
  5. Step 5: Solve for x
    x = 567,924,358.89/28,763.37
  6. Step 6: Final answer
    x = 19,744.71

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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.