Home / 23,895.60-32,995.80-20,785.20

Finding the Fourth Proportional to 23,895.60, 32,995.80 and 20,785.20

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Solution

The fourth proportional to 23,895.60, 32,995.80 and 20,785.20 is: 28,700.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,895.60 : 32,995.80 = 20,785.20 : x
  2. Step 2: Convert to fraction form
    23,895.60/32,995.80 = 20,785.20/x
  3. Step 3: Cross multiply
    23,895.60x = 32,995.80 × 20,785.20
  4. Step 4: Simplify right side
    23,895.60x = 685,824,302.16
  5. Step 5: Solve for x
    x = 685,824,302.16/23,895.60
  6. Step 6: Final answer
    x = 28,700.86

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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.