Home / 20,030.46-27,642.06-10,955.94

Finding the Fourth Proportional to 20,030.46, 27,642.06 and 10,955.94

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Solution

The fourth proportional to 20,030.46, 27,642.06 and 10,955.94 is: 15,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.46 : 27,642.06 = 10,955.94 : x
  2. Step 2: Convert to fraction form
    20,030.46/27,642.06 = 10,955.94/x
  3. Step 3: Cross multiply
    20,030.46x = 27,642.06 × 10,955.94
  4. Step 4: Simplify right side
    20,030.46x = 302,844,750.84
  5. Step 5: Solve for x
    x = 302,844,750.84/20,030.46
  6. Step 6: Final answer
    x = 15,119.21

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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.