Home / 28,315.48-39,081.54-17,712.04

Finding the Fourth Proportional to 28,315.48, 39,081.54 and 17,712.04

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Solution

The fourth proportional to 28,315.48, 39,081.54 and 17,712.04 is: 24,446.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,315.48 : 39,081.54 = 17,712.04 : x
  2. Step 2: Convert to fraction form
    28,315.48/39,081.54 = 17,712.04/x
  3. Step 3: Cross multiply
    28,315.48x = 39,081.54 × 17,712.04
  4. Step 4: Simplify right side
    28,315.48x = 692,213,799.74
  5. Step 5: Solve for x
    x = 692,213,799.74/28,315.48
  6. Step 6: Final answer
    x = 24,446.48

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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.