Home / 28,000.08-42,010.32-13,014.12

Finding the Fourth Proportional to 28,000.08, 42,010.32 and 13,014.12

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Solution

The fourth proportional to 28,000.08, 42,010.32 and 13,014.12 is: 19,525.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.08 : 42,010.32 = 13,014.12 : x
  2. Step 2: Convert to fraction form
    28,000.08/42,010.32 = 13,014.12/x
  3. Step 3: Cross multiply
    28,000.08x = 42,010.32 × 13,014.12
  4. Step 4: Simplify right side
    28,000.08x = 546,727,345.72
  5. Step 5: Solve for x
    x = 546,727,345.72/28,000.08
  6. Step 6: Final answer
    x = 19,525.92

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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.