Home / 26,520.76-39,782.70-10,933

Finding the Fourth Proportional to 26,520.76, 39,782.70 and 10,933

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Solution

The fourth proportional to 26,520.76, 39,782.70 and 10,933 is: 16,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,520.76 : 39,782.70 = 10,933 : x
  2. Step 2: Convert to fraction form
    26,520.76/39,782.70 = 10,933/x
  3. Step 3: Cross multiply
    26,520.76x = 39,782.70 × 10,933
  4. Step 4: Simplify right side
    26,520.76x = 434,944,259.10
  5. Step 5: Solve for x
    x = 434,944,259.10/26,520.76
  6. Step 6: Final answer
    x = 16,400.14

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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.