Home / 28,074.08-38,710.76-19,126.82

Finding the Fourth Proportional to 28,074.08, 38,710.76 and 19,126.82

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Solution

The fourth proportional to 28,074.08, 38,710.76 and 19,126.82 is: 26,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074.08 : 38,710.76 = 19,126.82 : x
  2. Step 2: Convert to fraction form
    28,074.08/38,710.76 = 19,126.82/x
  3. Step 3: Cross multiply
    28,074.08x = 38,710.76 × 19,126.82
  4. Step 4: Simplify right side
    28,074.08x = 740,413,449.40
  5. Step 5: Solve for x
    x = 740,413,449.40/28,074.08
  6. Step 6: Final answer
    x = 26,373.57

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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.