Home / 28,862.60-43,294.98-8,085.56

Finding the Fourth Proportional to 28,862.60, 43,294.98 and 8,085.56

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Solution

The fourth proportional to 28,862.60, 43,294.98 and 8,085.56 is: 12,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.60 : 43,294.98 = 8,085.56 : x
  2. Step 2: Convert to fraction form
    28,862.60/43,294.98 = 8,085.56/x
  3. Step 3: Cross multiply
    28,862.60x = 43,294.98 × 8,085.56
  4. Step 4: Simplify right side
    28,862.60x = 350,064,158.49
  5. Step 5: Solve for x
    x = 350,064,158.49/28,862.60
  6. Step 6: Final answer
    x = 12,128.64

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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.