Home / 26,748.37-36,912.68-15,417.77

Finding the Fourth Proportional to 26,748.37, 36,912.68 and 15,417.77

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Solution

The fourth proportional to 26,748.37, 36,912.68 and 15,417.77 is: 21,276.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,748.37 : 36,912.68 = 15,417.77 : x
  2. Step 2: Convert to fraction form
    26,748.37/36,912.68 = 15,417.77/x
  3. Step 3: Cross multiply
    26,748.37x = 36,912.68 × 15,417.77
  4. Step 4: Simplify right side
    26,748.37x = 569,111,341.15
  5. Step 5: Solve for x
    x = 569,111,341.15/26,748.37
  6. Step 6: Final answer
    x = 21,276.49

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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.