Home / 23,767.40-32,861.63-20,814.95

Finding the Fourth Proportional to 23,767.40, 32,861.63 and 20,814.95

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Solution

The fourth proportional to 23,767.40, 32,861.63 and 20,814.95 is: 28,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,767.40 : 32,861.63 = 20,814.95 : x
  2. Step 2: Convert to fraction form
    23,767.40/32,861.63 = 20,814.95/x
  3. Step 3: Cross multiply
    23,767.40x = 32,861.63 × 20,814.95
  4. Step 4: Simplify right side
    23,767.40x = 684,013,185.37
  5. Step 5: Solve for x
    x = 684,013,185.37/23,767.40
  6. Step 6: Final answer
    x = 28,779.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.