Home / 26,602.02-36,712.64-15,274.78

Finding the Fourth Proportional to 26,602.02, 36,712.64 and 15,274.78

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Solution

The fourth proportional to 26,602.02, 36,712.64 and 15,274.78 is: 21,080.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,602.02 : 36,712.64 = 15,274.78 : x
  2. Step 2: Convert to fraction form
    26,602.02/36,712.64 = 15,274.78/x
  3. Step 3: Cross multiply
    26,602.02x = 36,712.64 × 15,274.78
  4. Step 4: Simplify right side
    26,602.02x = 560,777,445.62
  5. Step 5: Solve for x
    x = 560,777,445.62/26,602.02
  6. Step 6: Final answer
    x = 21,080.26

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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.