Home / 25,779.12-38,677.44-10,188.24

Finding the Fourth Proportional to 25,779.12, 38,677.44 and 10,188.24

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Solution

The fourth proportional to 25,779.12, 38,677.44 and 10,188.24 is: 15,285.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,779.12 : 38,677.44 = 10,188.24 : x
  2. Step 2: Convert to fraction form
    25,779.12/38,677.44 = 10,188.24/x
  3. Step 3: Cross multiply
    25,779.12x = 38,677.44 × 10,188.24
  4. Step 4: Simplify right side
    25,779.12x = 394,055,041.31
  5. Step 5: Solve for x
    x = 394,055,041.31/25,779.12
  6. Step 6: Final answer
    x = 15,285.82

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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.