Home / 25,907.23-38,871.78-12,774.30

Finding the Fourth Proportional to 25,907.23, 38,871.78 and 12,774.30

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Solution

The fourth proportional to 25,907.23, 38,871.78 and 12,774.30 is: 19,166.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,907.23 : 38,871.78 = 12,774.30 : x
  2. Step 2: Convert to fraction form
    25,907.23/38,871.78 = 12,774.30/x
  3. Step 3: Cross multiply
    25,907.23x = 38,871.78 × 12,774.30
  4. Step 4: Simplify right side
    25,907.23x = 496,559,779.25
  5. Step 5: Solve for x
    x = 496,559,779.25/25,907.23
  6. Step 6: Final answer
    x = 19,166.84

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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.