Home / 28,046.09-42,056.85-10,503.61

Finding the Fourth Proportional to 28,046.09, 42,056.85 and 10,503.61

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Solution

The fourth proportional to 28,046.09, 42,056.85 and 10,503.61 is: 15,750.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.09 : 42,056.85 = 10,503.61 : x
  2. Step 2: Convert to fraction form
    28,046.09/42,056.85 = 10,503.61/x
  3. Step 3: Cross multiply
    28,046.09x = 42,056.85 × 10,503.61
  4. Step 4: Simplify right side
    28,046.09x = 441,748,750.23
  5. Step 5: Solve for x
    x = 441,748,750.23/28,046.09
  6. Step 6: Final answer
    x = 15,750.81

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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.