Home / 27,862.81-38,417.75-22,808.41

Finding the Fourth Proportional to 27,862.81, 38,417.75 and 22,808.41

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Solution

The fourth proportional to 27,862.81, 38,417.75 and 22,808.41 is: 31,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,862.81 : 38,417.75 = 22,808.41 : x
  2. Step 2: Convert to fraction form
    27,862.81/38,417.75 = 22,808.41/x
  3. Step 3: Cross multiply
    27,862.81x = 38,417.75 × 22,808.41
  4. Step 4: Simplify right side
    27,862.81x = 876,247,601.19
  5. Step 5: Solve for x
    x = 876,247,601.19/27,862.81
  6. Step 6: Final answer
    x = 31,448.65

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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.