Home / 26,688.95-40,037.75-8,216.63

Finding the Fourth Proportional to 26,688.95, 40,037.75 and 8,216.63

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Solution

The fourth proportional to 26,688.95, 40,037.75 and 8,216.63 is: 12,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,688.95 : 40,037.75 = 8,216.63 : x
  2. Step 2: Convert to fraction form
    26,688.95/40,037.75 = 8,216.63/x
  3. Step 3: Cross multiply
    26,688.95x = 40,037.75 × 8,216.63
  4. Step 4: Simplify right side
    26,688.95x = 328,975,136.51
  5. Step 5: Solve for x
    x = 328,975,136.51/26,688.95
  6. Step 6: Final answer
    x = 12,326.27

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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.