Home / 18,516.37-27,726.49-15,547.98

Finding the Fourth Proportional to 18,516.37, 27,726.49 and 15,547.98

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Solution

The fourth proportional to 18,516.37, 27,726.49 and 15,547.98 is: 23,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.37 : 27,726.49 = 15,547.98 : x
  2. Step 2: Convert to fraction form
    18,516.37/27,726.49 = 15,547.98/x
  3. Step 3: Cross multiply
    18,516.37x = 27,726.49 × 15,547.98
  4. Step 4: Simplify right side
    18,516.37x = 431,090,779.59
  5. Step 5: Solve for x
    x = 431,090,779.59/18,516.37
  6. Step 6: Final answer
    x = 23,281.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.