Home / 28,030.06-42,040.77-12,444.94

Finding the Fourth Proportional to 28,030.06, 42,040.77 and 12,444.94

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Solution

The fourth proportional to 28,030.06, 42,040.77 and 12,444.94 is: 18,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030.06 : 42,040.77 = 12,444.94 : x
  2. Step 2: Convert to fraction form
    28,030.06/42,040.77 = 12,444.94/x
  3. Step 3: Cross multiply
    28,030.06x = 42,040.77 × 12,444.94
  4. Step 4: Simplify right side
    28,030.06x = 523,194,860.20
  5. Step 5: Solve for x
    x = 523,194,860.20/28,030.06
  6. Step 6: Final answer
    x = 18,665.49

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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.