Home / 27,547.04-38,033.22-21,162.26

Finding the Fourth Proportional to 27,547.04, 38,033.22 and 21,162.26

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Solution

The fourth proportional to 27,547.04, 38,033.22 and 21,162.26 is: 29,217.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,547.04 : 38,033.22 = 21,162.26 : x
  2. Step 2: Convert to fraction form
    27,547.04/38,033.22 = 21,162.26/x
  3. Step 3: Cross multiply
    27,547.04x = 38,033.22 × 21,162.26
  4. Step 4: Simplify right side
    27,547.04x = 804,868,890.28
  5. Step 5: Solve for x
    x = 804,868,890.28/27,547.04
  6. Step 6: Final answer
    x = 29,217.98

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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.