Home / 19,928.05-27,501.95-10,975.55

Finding the Fourth Proportional to 19,928.05, 27,501.95 and 10,975.55

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Solution

The fourth proportional to 19,928.05, 27,501.95 and 10,975.55 is: 15,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.05 : 27,501.95 = 10,975.55 : x
  2. Step 2: Convert to fraction form
    19,928.05/27,501.95 = 10,975.55/x
  3. Step 3: Cross multiply
    19,928.05x = 27,501.95 × 10,975.55
  4. Step 4: Simplify right side
    19,928.05x = 301,849,068.09
  5. Step 5: Solve for x
    x = 301,849,068.09/19,928.05
  6. Step 6: Final answer
    x = 15,146.94

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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.