Home / 27,117.59-37,395.99-21,147.08

Finding the Fourth Proportional to 27,117.59, 37,395.99 and 21,147.08

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Solution

The fourth proportional to 27,117.59, 37,395.99 and 21,147.08 is: 29,162.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,117.59 : 37,395.99 = 21,147.08 : x
  2. Step 2: Convert to fraction form
    27,117.59/37,395.99 = 21,147.08/x
  3. Step 3: Cross multiply
    27,117.59x = 37,395.99 × 21,147.08
  4. Step 4: Simplify right side
    27,117.59x = 790,816,085.70
  5. Step 5: Solve for x
    x = 790,816,085.70/27,117.59
  6. Step 6: Final answer
    x = 29,162.47

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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.