Home / 26,806.63-36,994.83-15,478.20

Finding the Fourth Proportional to 26,806.63, 36,994.83 and 15,478.20

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Solution

The fourth proportional to 26,806.63, 36,994.83 and 15,478.20 is: 21,360.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,806.63 : 36,994.83 = 15,478.20 : x
  2. Step 2: Convert to fraction form
    26,806.63/36,994.83 = 15,478.20/x
  3. Step 3: Cross multiply
    26,806.63x = 36,994.83 × 15,478.20
  4. Step 4: Simplify right side
    26,806.63x = 572,613,300.32
  5. Step 5: Solve for x
    x = 572,613,300.32/26,806.63
  6. Step 6: Final answer
    x = 21,360.88

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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.