Home / 25,408.16-35,037.60-19,590.74

Finding the Fourth Proportional to 25,408.16, 35,037.60 and 19,590.74

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Solution

The fourth proportional to 25,408.16, 35,037.60 and 19,590.74 is: 27,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,408.16 : 35,037.60 = 19,590.74 : x
  2. Step 2: Convert to fraction form
    25,408.16/35,037.60 = 19,590.74/x
  3. Step 3: Cross multiply
    25,408.16x = 35,037.60 × 19,590.74
  4. Step 4: Simplify right side
    25,408.16x = 686,412,511.82
  5. Step 5: Solve for x
    x = 686,412,511.82/25,408.16
  6. Step 6: Final answer
    x = 27,015.44

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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.