Home / 26,784.09-36,966.42-20,400.48

Finding the Fourth Proportional to 26,784.09, 36,966.42 and 20,400.48

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Solution

The fourth proportional to 26,784.09, 36,966.42 and 20,400.48 is: 28,156.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,784.09 : 36,966.42 = 20,400.48 : x
  2. Step 2: Convert to fraction form
    26,784.09/36,966.42 = 20,400.48/x
  3. Step 3: Cross multiply
    26,784.09x = 36,966.42 × 20,400.48
  4. Step 4: Simplify right side
    26,784.09x = 754,132,711.88
  5. Step 5: Solve for x
    x = 754,132,711.88/26,784.09
  6. Step 6: Final answer
    x = 28,156.00

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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.