Home / 27,803.76-38,368.82-15,228.52

Finding the Fourth Proportional to 27,803.76, 38,368.82 and 15,228.52

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Solution

The fourth proportional to 27,803.76, 38,368.82 and 15,228.52 is: 21,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803.76 : 38,368.82 = 15,228.52 : x
  2. Step 2: Convert to fraction form
    27,803.76/38,368.82 = 15,228.52/x
  3. Step 3: Cross multiply
    27,803.76x = 38,368.82 × 15,228.52
  4. Step 4: Simplify right side
    27,803.76x = 584,300,342.75
  5. Step 5: Solve for x
    x = 584,300,342.75/27,803.76
  6. Step 6: Final answer
    x = 21,015.16

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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.