Home / 27,893.04-38,492.28-15,317.52

Finding the Fourth Proportional to 27,893.04, 38,492.28 and 15,317.52

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Solution

The fourth proportional to 27,893.04, 38,492.28 and 15,317.52 is: 21,138.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,893.04 : 38,492.28 = 15,317.52 : x
  2. Step 2: Convert to fraction form
    27,893.04/38,492.28 = 15,317.52/x
  3. Step 3: Cross multiply
    27,893.04x = 38,492.28 × 15,317.52
  4. Step 4: Simplify right side
    27,893.04x = 589,606,268.75
  5. Step 5: Solve for x
    x = 589,606,268.75/27,893.04
  6. Step 6: Final answer
    x = 21,138.11

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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.