Home / 28,447.74-39,256.38-16,510.50

Finding the Fourth Proportional to 28,447.74, 39,256.38 and 16,510.50

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Solution

The fourth proportional to 28,447.74, 39,256.38 and 16,510.50 is: 22,783.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447.74 : 39,256.38 = 16,510.50 : x
  2. Step 2: Convert to fraction form
    28,447.74/39,256.38 = 16,510.50/x
  3. Step 3: Cross multiply
    28,447.74x = 39,256.38 × 16,510.50
  4. Step 4: Simplify right side
    28,447.74x = 648,142,461.99
  5. Step 5: Solve for x
    x = 648,142,461.99/28,447.74
  6. Step 6: Final answer
    x = 22,783.62

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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.