Home / 26,529.81-39,744.58-15,678.17

Finding the Fourth Proportional to 26,529.81, 39,744.58 and 15,678.17

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Solution

The fourth proportional to 26,529.81, 39,744.58 and 15,678.17 is: 23,487.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.81 : 39,744.58 = 15,678.17 : x
  2. Step 2: Convert to fraction form
    26,529.81/39,744.58 = 15,678.17/x
  3. Step 3: Cross multiply
    26,529.81x = 39,744.58 × 15,678.17
  4. Step 4: Simplify right side
    26,529.81x = 623,122,222.34
  5. Step 5: Solve for x
    x = 623,122,222.34/26,529.81
  6. Step 6: Final answer
    x = 23,487.62

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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.