Home / 26,165.60-39,158.80-15,784.80

Finding the Fourth Proportional to 26,165.60, 39,158.80 and 15,784.80

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Solution

The fourth proportional to 26,165.60, 39,158.80 and 15,784.80 is: 23,623.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,165.60 : 39,158.80 = 15,784.80 : x
  2. Step 2: Convert to fraction form
    26,165.60/39,158.80 = 15,784.80/x
  3. Step 3: Cross multiply
    26,165.60x = 39,158.80 × 15,784.80
  4. Step 4: Simplify right side
    26,165.60x = 618,113,826.24
  5. Step 5: Solve for x
    x = 618,113,826.24/26,165.60
  6. Step 6: Final answer
    x = 23,623.15

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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.