Home / 28,117.86-42,175.74-7,058.04

Finding the Fourth Proportional to 28,117.86, 42,175.74 and 7,058.04

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Solution

The fourth proportional to 28,117.86, 42,175.74 and 7,058.04 is: 10,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,117.86 : 42,175.74 = 7,058.04 : x
  2. Step 2: Convert to fraction form
    28,117.86/42,175.74 = 7,058.04/x
  3. Step 3: Cross multiply
    28,117.86x = 42,175.74 × 7,058.04
  4. Step 4: Simplify right side
    28,117.86x = 297,678,059.95
  5. Step 5: Solve for x
    x = 297,678,059.95/28,117.86
  6. Step 6: Final answer
    x = 10,586.80

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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.