Home / 26,420.34-39,630.64-6,698.94

Finding the Fourth Proportional to 26,420.34, 39,630.64 and 6,698.94

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Solution

The fourth proportional to 26,420.34, 39,630.64 and 6,698.94 is: 10,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.34 : 39,630.64 = 6,698.94 : x
  2. Step 2: Convert to fraction form
    26,420.34/39,630.64 = 6,698.94/x
  3. Step 3: Cross multiply
    26,420.34x = 39,630.64 × 6,698.94
  4. Step 4: Simplify right side
    26,420.34x = 265,483,279.52
  5. Step 5: Solve for x
    x = 265,483,279.52/26,420.34
  6. Step 6: Final answer
    x = 10,048.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.