Home / 27,961.34-38,611.27-19,030.18

Finding the Fourth Proportional to 27,961.34, 38,611.27 and 19,030.18

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Solution

The fourth proportional to 27,961.34, 38,611.27 and 19,030.18 is: 26,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,961.34 : 38,611.27 = 19,030.18 : x
  2. Step 2: Convert to fraction form
    27,961.34/38,611.27 = 19,030.18/x
  3. Step 3: Cross multiply
    27,961.34x = 38,611.27 × 19,030.18
  4. Step 4: Simplify right side
    27,961.34x = 734,779,418.13
  5. Step 5: Solve for x
    x = 734,779,418.13/27,961.34
  6. Step 6: Final answer
    x = 26,278.41

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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.