Home / 19,586.84-27,011.48-15,103.49

Finding the Fourth Proportional to 19,586.84, 27,011.48 and 15,103.49

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Solution

The fourth proportional to 19,586.84, 27,011.48 and 15,103.49 is: 20,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.84 : 27,011.48 = 15,103.49 : x
  2. Step 2: Convert to fraction form
    19,586.84/27,011.48 = 15,103.49/x
  3. Step 3: Cross multiply
    19,586.84x = 27,011.48 × 15,103.49
  4. Step 4: Simplify right side
    19,586.84x = 407,967,407.49
  5. Step 5: Solve for x
    x = 407,967,407.49/19,586.84
  6. Step 6: Final answer
    x = 20,828.65

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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.