Home / 19,280.80-26,608.08-10,895.68

Finding the Fourth Proportional to 19,280.80, 26,608.08 and 10,895.68

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Solution

The fourth proportional to 19,280.80, 26,608.08 and 10,895.68 is: 15,036.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.80 : 26,608.08 = 10,895.68 : x
  2. Step 2: Convert to fraction form
    19,280.80/26,608.08 = 10,895.68/x
  3. Step 3: Cross multiply
    19,280.80x = 26,608.08 × 10,895.68
  4. Step 4: Simplify right side
    19,280.80x = 289,913,125.09
  5. Step 5: Solve for x
    x = 289,913,125.09/19,280.80
  6. Step 6: Final answer
    x = 15,036.36

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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.