Home / 28,802.77-39,748.67-16,864.99

Finding the Fourth Proportional to 28,802.77, 39,748.67 and 16,864.99

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Solution

The fourth proportional to 28,802.77, 39,748.67 and 16,864.99 is: 23,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.77 : 39,748.67 = 16,864.99 : x
  2. Step 2: Convert to fraction form
    28,802.77/39,748.67 = 16,864.99/x
  3. Step 3: Cross multiply
    28,802.77x = 39,748.67 × 16,864.99
  4. Step 4: Simplify right side
    28,802.77x = 670,360,922.06
  5. Step 5: Solve for x
    x = 670,360,922.06/28,802.77
  6. Step 6: Final answer
    x = 23,274.18

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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.