Home / 26,389.80-36,422.04-15,059.28

Finding the Fourth Proportional to 26,389.80, 36,422.04 and 15,059.28

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Solution

The fourth proportional to 26,389.80, 36,422.04 and 15,059.28 is: 20,784.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389.80 : 36,422.04 = 15,059.28 : x
  2. Step 2: Convert to fraction form
    26,389.80/36,422.04 = 15,059.28/x
  3. Step 3: Cross multiply
    26,389.80x = 36,422.04 × 15,059.28
  4. Step 4: Simplify right side
    26,389.80x = 548,489,698.53
  5. Step 5: Solve for x
    x = 548,489,698.53/26,389.80
  6. Step 6: Final answer
    x = 20,784.16

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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.