Home / 28,225.43-42,337.72-6,878.22

Finding the Fourth Proportional to 28,225.43, 42,337.72 and 6,878.22

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Solution

The fourth proportional to 28,225.43, 42,337.72 and 6,878.22 is: 10,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225.43 : 42,337.72 = 6,878.22 : x
  2. Step 2: Convert to fraction form
    28,225.43/42,337.72 = 6,878.22/x
  3. Step 3: Cross multiply
    28,225.43x = 42,337.72 × 6,878.22
  4. Step 4: Simplify right side
    28,225.43x = 291,208,002.29
  5. Step 5: Solve for x
    x = 291,208,002.29/28,225.43
  6. Step 6: Final answer
    x = 10,317.22

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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.