Home / 28,742.37-43,030.08-17,615.40

Finding the Fourth Proportional to 28,742.37, 43,030.08 and 17,615.40

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Solution

The fourth proportional to 28,742.37, 43,030.08 and 17,615.40 is: 26,371.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,742.37 : 43,030.08 = 17,615.40 : x
  2. Step 2: Convert to fraction form
    28,742.37/43,030.08 = 17,615.40/x
  3. Step 3: Cross multiply
    28,742.37x = 43,030.08 × 17,615.40
  4. Step 4: Simplify right side
    28,742.37x = 757,992,071.23
  5. Step 5: Solve for x
    x = 757,992,071.23/28,742.37
  6. Step 6: Final answer
    x = 26,371.94

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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.