Home / 28,509.98-42,741.86-11,882.48

Finding the Fourth Proportional to 28,509.98, 42,741.86 and 11,882.48

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Solution

The fourth proportional to 28,509.98, 42,741.86 and 11,882.48 is: 17,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,509.98 : 42,741.86 = 11,882.48 : x
  2. Step 2: Convert to fraction form
    28,509.98/42,741.86 = 11,882.48/x
  3. Step 3: Cross multiply
    28,509.98x = 42,741.86 × 11,882.48
  4. Step 4: Simplify right side
    28,509.98x = 507,879,023.49
  5. Step 5: Solve for x
    x = 507,879,023.49/28,509.98
  6. Step 6: Final answer
    x = 17,814.08

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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.