Home / 29,368.35-40,528.36-15,939.60

Finding the Fourth Proportional to 29,368.35, 40,528.36 and 15,939.60

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Solution

The fourth proportional to 29,368.35, 40,528.36 and 15,939.60 is: 21,996.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,368.35 : 40,528.36 = 15,939.60 : x
  2. Step 2: Convert to fraction form
    29,368.35/40,528.36 = 15,939.60/x
  3. Step 3: Cross multiply
    29,368.35x = 40,528.36 × 15,939.60
  4. Step 4: Simplify right side
    29,368.35x = 646,005,807.21
  5. Step 5: Solve for x
    x = 646,005,807.21/29,368.35
  6. Step 6: Final answer
    x = 21,996.67

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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.