Home / 28,127.63-38,823.58-17,510.96

Finding the Fourth Proportional to 28,127.63, 38,823.58 and 17,510.96

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Solution

The fourth proportional to 28,127.63, 38,823.58 and 17,510.96 is: 24,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,127.63 : 38,823.58 = 17,510.96 : x
  2. Step 2: Convert to fraction form
    28,127.63/38,823.58 = 17,510.96/x
  3. Step 3: Cross multiply
    28,127.63x = 38,823.58 × 17,510.96
  4. Step 4: Simplify right side
    28,127.63x = 679,838,209.72
  5. Step 5: Solve for x
    x = 679,838,209.72/28,127.63
  6. Step 6: Final answer
    x = 24,169.76

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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.