Home / 27,807.30-38,364.54-15,862.04

Finding the Fourth Proportional to 27,807.30, 38,364.54 and 15,862.04

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Solution

The fourth proportional to 27,807.30, 38,364.54 and 15,862.04 is: 21,884.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,807.30 : 38,364.54 = 15,862.04 : x
  2. Step 2: Convert to fraction form
    27,807.30/38,364.54 = 15,862.04/x
  3. Step 3: Cross multiply
    27,807.30x = 38,364.54 × 15,862.04
  4. Step 4: Simplify right side
    27,807.30x = 608,539,868.06
  5. Step 5: Solve for x
    x = 608,539,868.06/27,807.30
  6. Step 6: Final answer
    x = 21,884.18

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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.