Home / 28,709.61-39,618.53-15,962.14

Finding the Fourth Proportional to 28,709.61, 39,618.53 and 15,962.14

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Solution

The fourth proportional to 28,709.61, 39,618.53 and 15,962.14 is: 22,027.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.61 : 39,618.53 = 15,962.14 : x
  2. Step 2: Convert to fraction form
    28,709.61/39,618.53 = 15,962.14/x
  3. Step 3: Cross multiply
    28,709.61x = 39,618.53 × 15,962.14
  4. Step 4: Simplify right side
    28,709.61x = 632,396,463.04
  5. Step 5: Solve for x
    x = 632,396,463.04/28,709.61
  6. Step 6: Final answer
    x = 22,027.34

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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.