Home / 26,650.15-36,776.63-15,319.34

Finding the Fourth Proportional to 26,650.15, 36,776.63 and 15,319.34

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Solution

The fourth proportional to 26,650.15, 36,776.63 and 15,319.34 is: 21,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,650.15 : 36,776.63 = 15,319.34 : x
  2. Step 2: Convert to fraction form
    26,650.15/36,776.63 = 15,319.34/x
  3. Step 3: Cross multiply
    26,650.15x = 36,776.63 × 15,319.34
  4. Step 4: Simplify right side
    26,650.15x = 563,393,898.22
  5. Step 5: Solve for x
    x = 563,393,898.22/26,650.15
  6. Step 6: Final answer
    x = 21,140.37

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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.