Home / 26,820.99-37,051.56-21,436.53

Finding the Fourth Proportional to 26,820.99, 37,051.56 and 21,436.53

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Solution

The fourth proportional to 26,820.99, 37,051.56 and 21,436.53 is: 29,613.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.99 : 37,051.56 = 21,436.53 : x
  2. Step 2: Convert to fraction form
    26,820.99/37,051.56 = 21,436.53/x
  3. Step 3: Cross multiply
    26,820.99x = 37,051.56 × 21,436.53
  4. Step 4: Simplify right side
    26,820.99x = 794,256,877.49
  5. Step 5: Solve for x
    x = 794,256,877.49/26,820.99
  6. Step 6: Final answer
    x = 29,613.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.