Home / 28,346.04-39,119.90-15,773.16

Finding the Fourth Proportional to 28,346.04, 39,119.90 and 15,773.16

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Solution

The fourth proportional to 28,346.04, 39,119.90 and 15,773.16 is: 21,768.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.04 : 39,119.90 = 15,773.16 : x
  2. Step 2: Convert to fraction form
    28,346.04/39,119.90 = 15,773.16/x
  3. Step 3: Cross multiply
    28,346.04x = 39,119.90 × 15,773.16
  4. Step 4: Simplify right side
    28,346.04x = 617,044,441.88
  5. Step 5: Solve for x
    x = 617,044,441.88/28,346.04
  6. Step 6: Final answer
    x = 21,768.28

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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.