Home / 28,037.48-42,048.93-8,310.74

Finding the Fourth Proportional to 28,037.48, 42,048.93 and 8,310.74

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Solution

The fourth proportional to 28,037.48, 42,048.93 and 8,310.74 is: 12,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.48 : 42,048.93 = 8,310.74 : x
  2. Step 2: Convert to fraction form
    28,037.48/42,048.93 = 8,310.74/x
  3. Step 3: Cross multiply
    28,037.48x = 42,048.93 × 8,310.74
  4. Step 4: Simplify right side
    28,037.48x = 349,457,724.51
  5. Step 5: Solve for x
    x = 349,457,724.51/28,037.48
  6. Step 6: Final answer
    x = 12,463.95

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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.