Home / 28,416.93-42,623.85-8,695.48

Finding the Fourth Proportional to 28,416.93, 42,623.85 and 8,695.48

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Solution

The fourth proportional to 28,416.93, 42,623.85 and 8,695.48 is: 13,042.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.93 : 42,623.85 = 8,695.48 : x
  2. Step 2: Convert to fraction form
    28,416.93/42,623.85 = 8,695.48/x
  3. Step 3: Cross multiply
    28,416.93x = 42,623.85 × 8,695.48
  4. Step 4: Simplify right side
    28,416.93x = 370,634,835.20
  5. Step 5: Solve for x
    x = 370,634,835.20/28,416.93
  6. Step 6: Final answer
    x = 13,042.75

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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.