Home / 29,317.08-40,457.44-15,888.68

Finding the Fourth Proportional to 29,317.08, 40,457.44 and 15,888.68

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Solution

The fourth proportional to 29,317.08, 40,457.44 and 15,888.68 is: 21,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,317.08 : 40,457.44 = 15,888.68 : x
  2. Step 2: Convert to fraction form
    29,317.08/40,457.44 = 15,888.68/x
  3. Step 3: Cross multiply
    29,317.08x = 40,457.44 × 15,888.68
  4. Step 4: Simplify right side
    29,317.08x = 642,815,317.78
  5. Step 5: Solve for x
    x = 642,815,317.78/29,317.08
  6. Step 6: Final answer
    x = 21,926.31

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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.