Home / 28,148.67-42,222.98-13,349.52

Finding the Fourth Proportional to 28,148.67, 42,222.98 and 13,349.52

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Solution

The fourth proportional to 28,148.67, 42,222.98 and 13,349.52 is: 20,024.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,148.67 : 42,222.98 = 13,349.52 : x
  2. Step 2: Convert to fraction form
    28,148.67/42,222.98 = 13,349.52/x
  3. Step 3: Cross multiply
    28,148.67x = 42,222.98 × 13,349.52
  4. Step 4: Simplify right side
    28,148.67x = 563,656,515.97
  5. Step 5: Solve for x
    x = 563,656,515.97/28,148.67
  6. Step 6: Final answer
    x = 20,024.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.