Home / 29,317.59-40,458.27-15,888.84

Finding the Fourth Proportional to 29,317.59, 40,458.27 and 15,888.84

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Solution

The fourth proportional to 29,317.59, 40,458.27 and 15,888.84 is: 21,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,317.59 : 40,458.27 = 15,888.84 : x
  2. Step 2: Convert to fraction form
    29,317.59/40,458.27 = 15,888.84/x
  3. Step 3: Cross multiply
    29,317.59x = 40,458.27 × 15,888.84
  4. Step 4: Simplify right side
    29,317.59x = 642,834,917.28
  5. Step 5: Solve for x
    x = 642,834,917.28/29,317.59
  6. Step 6: Final answer
    x = 21,926.60

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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.