Home / 28,748,003.28-39,671,638.29-15,694,631.34

Finding the Fourth Proportional to 28,748,003.28, 39,671,638.29 and 15,694,631.34

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Solution

The fourth proportional to 28,748,003.28, 39,671,638.29 and 15,694,631.34 is: 21,658,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748,003.28 : 39,671,638.29 = 15,694,631.34 : x
  2. Step 2: Convert to fraction form
    28,748,003.28/39,671,638.29 = 15,694,631.34/x
  3. Step 3: Cross multiply
    28,748,003.28x = 39,671,638.29 × 15,694,631.34
  4. Step 4: Simplify right side
    28,748,003.28x = 622,631,737,615,378
  5. Step 5: Solve for x
    x = 622,631,737,615,378/28,748,003.28
  6. Step 6: Final answer
    x = 21,658,260.28

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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.