Home / 27,804.30-38,360.40-15,859.04

Finding the Fourth Proportional to 27,804.30, 38,360.40 and 15,859.04

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Solution

The fourth proportional to 27,804.30, 38,360.40 and 15,859.04 is: 21,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.30 : 38,360.40 = 15,859.04 : x
  2. Step 2: Convert to fraction form
    27,804.30/38,360.40 = 15,859.04/x
  3. Step 3: Cross multiply
    27,804.30x = 38,360.40 × 15,859.04
  4. Step 4: Simplify right side
    27,804.30x = 608,359,118.02
  5. Step 5: Solve for x
    x = 608,359,118.02/27,804.30
  6. Step 6: Final answer
    x = 21,880.04

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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.