Home / 26,870.76-37,097.16-17,947.80

Finding the Fourth Proportional to 26,870.76, 37,097.16 and 17,947.80

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Solution

The fourth proportional to 26,870.76, 37,097.16 and 17,947.80 is: 24,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870.76 : 37,097.16 = 17,947.80 : x
  2. Step 2: Convert to fraction form
    26,870.76/37,097.16 = 17,947.80/x
  3. Step 3: Cross multiply
    26,870.76x = 37,097.16 × 17,947.80
  4. Step 4: Simplify right side
    26,870.76x = 665,812,408.25
  5. Step 5: Solve for x
    x = 665,812,408.25/26,870.76
  6. Step 6: Final answer
    x = 24,778.32

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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.