Home / 28,037.52-42,051.96-8,317.80

Finding the Fourth Proportional to 28,037.52, 42,051.96 and 8,317.80

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Solution

The fourth proportional to 28,037.52, 42,051.96 and 8,317.80 is: 12,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.52 : 42,051.96 = 8,317.80 : x
  2. Step 2: Convert to fraction form
    28,037.52/42,051.96 = 8,317.80/x
  3. Step 3: Cross multiply
    28,037.52x = 42,051.96 × 8,317.80
  4. Step 4: Simplify right side
    28,037.52x = 349,779,792.89
  5. Step 5: Solve for x
    x = 349,779,792.89/28,037.52
  6. Step 6: Final answer
    x = 12,475.42

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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.