Home / 27,011.53-37,277.78-15,077.19

Finding the Fourth Proportional to 27,011.53, 37,277.78 and 15,077.19

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Solution

The fourth proportional to 27,011.53, 37,277.78 and 15,077.19 is: 20,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,011.53 : 37,277.78 = 15,077.19 : x
  2. Step 2: Convert to fraction form
    27,011.53/37,277.78 = 15,077.19/x
  3. Step 3: Cross multiply
    27,011.53x = 37,277.78 × 15,077.19
  4. Step 4: Simplify right side
    27,011.53x = 562,044,171.84
  5. Step 5: Solve for x
    x = 562,044,171.84/27,011.53
  6. Step 6: Final answer
    x = 20,807.57

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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.