Home / 28,297.29-39,038.18-17,668.47

Finding the Fourth Proportional to 28,297.29, 39,038.18 and 17,668.47

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Solution

The fourth proportional to 28,297.29, 39,038.18 and 17,668.47 is: 24,374.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.29 : 39,038.18 = 17,668.47 : x
  2. Step 2: Convert to fraction form
    28,297.29/39,038.18 = 17,668.47/x
  3. Step 3: Cross multiply
    28,297.29x = 39,038.18 × 17,668.47
  4. Step 4: Simplify right side
    28,297.29x = 689,744,823.84
  5. Step 5: Solve for x
    x = 689,744,823.84/28,297.29
  6. Step 6: Final answer
    x = 24,374.94

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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.