Home / 26,639.38-36,767.01-15,312.34

Finding the Fourth Proportional to 26,639.38, 36,767.01 and 15,312.34

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Solution

The fourth proportional to 26,639.38, 36,767.01 and 15,312.34 is: 21,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,639.38 : 36,767.01 = 15,312.34 : x
  2. Step 2: Convert to fraction form
    26,639.38/36,767.01 = 15,312.34/x
  3. Step 3: Cross multiply
    26,639.38x = 36,767.01 × 15,312.34
  4. Step 4: Simplify right side
    26,639.38x = 562,988,957.90
  5. Step 5: Solve for x
    x = 562,988,957.90/26,639.38
  6. Step 6: Final answer
    x = 21,133.71

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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.