Home / 36,748.80-55,130.40-15,688.80

Finding the Fourth Proportional to 36,748.80, 55,130.40 and 15,688.80

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Solution

The fourth proportional to 36,748.80, 55,130.40 and 15,688.80 is: 23,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,748.80 : 55,130.40 = 15,688.80 : x
  2. Step 2: Convert to fraction form
    36,748.80/55,130.40 = 15,688.80/x
  3. Step 3: Cross multiply
    36,748.80x = 55,130.40 × 15,688.80
  4. Step 4: Simplify right side
    36,748.80x = 864,929,819.52
  5. Step 5: Solve for x
    x = 864,929,819.52/36,748.80
  6. Step 6: Final answer
    x = 23,536.27

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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.