Home / 28,097.48-38,779.97-18,038.63

Finding the Fourth Proportional to 28,097.48, 38,779.97 and 18,038.63

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Solution

The fourth proportional to 28,097.48, 38,779.97 and 18,038.63 is: 24,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.48 : 38,779.97 = 18,038.63 : x
  2. Step 2: Convert to fraction form
    28,097.48/38,779.97 = 18,038.63/x
  3. Step 3: Cross multiply
    28,097.48x = 38,779.97 × 18,038.63
  4. Step 4: Simplify right side
    28,097.48x = 699,537,537.00
  5. Step 5: Solve for x
    x = 699,537,537.00/28,097.48
  6. Step 6: Final answer
    x = 24,896.80

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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.