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Finding the Fourth Proportional to 26,703.99, 40,055.08 and 12,670.74

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Solution

The fourth proportional to 26,703.99, 40,055.08 and 12,670.74 is: 19,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,703.99 : 40,055.08 = 12,670.74 : x
  2. Step 2: Convert to fraction form
    26,703.99/40,055.08 = 12,670.74/x
  3. Step 3: Cross multiply
    26,703.99x = 40,055.08 × 12,670.74
  4. Step 4: Simplify right side
    26,703.99x = 507,527,504.36
  5. Step 5: Solve for x
    x = 507,527,504.36/26,703.99
  6. Step 6: Final answer
    x = 19,005.68

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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.