Home / 28,381.76-39,132.14-17,752.94

Finding the Fourth Proportional to 28,381.76, 39,132.14 and 17,752.94

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Solution

The fourth proportional to 28,381.76, 39,132.14 and 17,752.94 is: 24,477.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,381.76 : 39,132.14 = 17,752.94 : x
  2. Step 2: Convert to fraction form
    28,381.76/39,132.14 = 17,752.94/x
  3. Step 3: Cross multiply
    28,381.76x = 39,132.14 × 17,752.94
  4. Step 4: Simplify right side
    28,381.76x = 694,710,533.49
  5. Step 5: Solve for x
    x = 694,710,533.49/28,381.76
  6. Step 6: Final answer
    x = 24,477.36

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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.