Home / 29,688.22-40,969.80-16,259.47

Finding the Fourth Proportional to 29,688.22, 40,969.80 and 16,259.47

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Solution

The fourth proportional to 29,688.22, 40,969.80 and 16,259.47 is: 22,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.22 : 40,969.80 = 16,259.47 : x
  2. Step 2: Convert to fraction form
    29,688.22/40,969.80 = 16,259.47/x
  3. Step 3: Cross multiply
    29,688.22x = 40,969.80 × 16,259.47
  4. Step 4: Simplify right side
    29,688.22x = 666,147,131.58
  5. Step 5: Solve for x
    x = 666,147,131.58/29,688.22
  6. Step 6: Final answer
    x = 22,438.10

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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.