Home / 28,016.34-42,030.74-12,223.93

Finding the Fourth Proportional to 28,016.34, 42,030.74 and 12,223.93

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Solution

The fourth proportional to 28,016.34, 42,030.74 and 12,223.93 is: 18,338.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016.34 : 42,030.74 = 12,223.93 : x
  2. Step 2: Convert to fraction form
    28,016.34/42,030.74 = 12,223.93/x
  3. Step 3: Cross multiply
    28,016.34x = 42,030.74 × 12,223.93
  4. Step 4: Simplify right side
    28,016.34x = 513,780,823.61
  5. Step 5: Solve for x
    x = 513,780,823.61/28,016.34
  6. Step 6: Final answer
    x = 18,338.61

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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.