Home / 26,128.07-36,057.40-15,373.70

Finding the Fourth Proportional to 26,128.07, 36,057.40 and 15,373.70

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Solution

The fourth proportional to 26,128.07, 36,057.40 and 15,373.70 is: 21,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,128.07 : 36,057.40 = 15,373.70 : x
  2. Step 2: Convert to fraction form
    26,128.07/36,057.40 = 15,373.70/x
  3. Step 3: Cross multiply
    26,128.07x = 36,057.40 × 15,373.70
  4. Step 4: Simplify right side
    26,128.07x = 554,335,653.35
  5. Step 5: Solve for x
    x = 554,335,653.35/26,128.07
  6. Step 6: Final answer
    x = 21,216.10

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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.