Home / 28,536.60-42,804.96-15,395.16

Finding the Fourth Proportional to 28,536.60, 42,804.96 and 15,395.16

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Solution

The fourth proportional to 28,536.60, 42,804.96 and 15,395.16 is: 23,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,536.60 : 42,804.96 = 15,395.16 : x
  2. Step 2: Convert to fraction form
    28,536.60/42,804.96 = 15,395.16/x
  3. Step 3: Cross multiply
    28,536.60x = 42,804.96 × 15,395.16
  4. Step 4: Simplify right side
    28,536.60x = 658,989,207.99
  5. Step 5: Solve for x
    x = 658,989,207.99/28,536.60
  6. Step 6: Final answer
    x = 23,092.77

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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.