Home / 28,053.79-38,717.66-16,117.10

Finding the Fourth Proportional to 28,053.79, 38,717.66 and 16,117.10

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Solution

The fourth proportional to 28,053.79, 38,717.66 and 16,117.10 is: 22,243.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053.79 : 38,717.66 = 16,117.10 : x
  2. Step 2: Convert to fraction form
    28,053.79/38,717.66 = 16,117.10/x
  3. Step 3: Cross multiply
    28,053.79x = 38,717.66 × 16,117.10
  4. Step 4: Simplify right side
    28,053.79x = 624,016,397.99
  5. Step 5: Solve for x
    x = 624,016,397.99/28,053.79
  6. Step 6: Final answer
    x = 22,243.57

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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.