Home / 28,410.48-42,567.18-20,074.36

Finding the Fourth Proportional to 28,410.48, 42,567.18 and 20,074.36

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Solution

The fourth proportional to 28,410.48, 42,567.18 and 20,074.36 is: 30,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.48 : 42,567.18 = 20,074.36 : x
  2. Step 2: Convert to fraction form
    28,410.48/42,567.18 = 20,074.36/x
  3. Step 3: Cross multiply
    28,410.48x = 42,567.18 × 20,074.36
  4. Step 4: Simplify right side
    28,410.48x = 854,508,895.50
  5. Step 5: Solve for x
    x = 854,508,895.50/28,410.48
  6. Step 6: Final answer
    x = 30,077.24

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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.