Home / 28,497.72-39,337.65-21,444.60

Finding the Fourth Proportional to 28,497.72, 39,337.65 and 21,444.60

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Solution

The fourth proportional to 28,497.72, 39,337.65 and 21,444.60 is: 29,601.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,497.72 : 39,337.65 = 21,444.60 : x
  2. Step 2: Convert to fraction form
    28,497.72/39,337.65 = 21,444.60/x
  3. Step 3: Cross multiply
    28,497.72x = 39,337.65 × 21,444.60
  4. Step 4: Simplify right side
    28,497.72x = 843,580,169.19
  5. Step 5: Solve for x
    x = 843,580,169.19/28,497.72
  6. Step 6: Final answer
    x = 29,601.67

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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.