Home / 19,927.81-27,500.55-10,975.34

Finding the Fourth Proportional to 19,927.81, 27,500.55 and 10,975.34

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Solution

The fourth proportional to 19,927.81, 27,500.55 and 10,975.34 is: 15,146.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.81 : 27,500.55 = 10,975.34 : x
  2. Step 2: Convert to fraction form
    19,927.81/27,500.55 = 10,975.34/x
  3. Step 3: Cross multiply
    19,927.81x = 27,500.55 × 10,975.34
  4. Step 4: Simplify right side
    19,927.81x = 301,827,929.29
  5. Step 5: Solve for x
    x = 301,827,929.29/19,927.81
  6. Step 6: Final answer
    x = 15,146.07

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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.