Home / 27,036.80-37,435.20-26,518.40

Finding the Fourth Proportional to 27,036.80, 37,435.20 and 26,518.40

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Solution

The fourth proportional to 27,036.80, 37,435.20 and 26,518.40 is: 36,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,036.80 : 37,435.20 = 26,518.40 : x
  2. Step 2: Convert to fraction form
    27,036.80/37,435.20 = 26,518.40/x
  3. Step 3: Cross multiply
    27,036.80x = 37,435.20 × 26,518.40
  4. Step 4: Simplify right side
    27,036.80x = 992,721,607.68
  5. Step 5: Solve for x
    x = 992,721,607.68/27,036.80
  6. Step 6: Final answer
    x = 36,717.42

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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.