Home / 25,903.72-38,779.98-19,269.64

Finding the Fourth Proportional to 25,903.72, 38,779.98 and 19,269.64

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Solution

The fourth proportional to 25,903.72, 38,779.98 and 19,269.64 is: 28,848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,903.72 : 38,779.98 = 19,269.64 : x
  2. Step 2: Convert to fraction form
    25,903.72/38,779.98 = 19,269.64/x
  3. Step 3: Cross multiply
    25,903.72x = 38,779.98 × 19,269.64
  4. Step 4: Simplify right side
    25,903.72x = 747,276,253.81
  5. Step 5: Solve for x
    x = 747,276,253.81/25,903.72
  6. Step 6: Final answer
    x = 28,848.22

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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.