Home / 47,587.67-65,670.98-28,468.25

Finding the Fourth Proportional to 47,587.67, 65,670.98 and 28,468.25

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Solution

The fourth proportional to 47,587.67, 65,670.98 and 28,468.25 is: 39,286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,587.67 : 65,670.98 = 28,468.25 : x
  2. Step 2: Convert to fraction form
    47,587.67/65,670.98 = 28,468.25/x
  3. Step 3: Cross multiply
    47,587.67x = 65,670.98 × 28,468.25
  4. Step 4: Simplify right side
    47,587.67x = 1,869,537,812.09
  5. Step 5: Solve for x
    x = 1,869,537,812.09/47,587.67
  6. Step 6: Final answer
    x = 39,286.18

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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.