Home / 20,846.20-31,275.70-16,465.40

Finding the Fourth Proportional to 20,846.20, 31,275.70 and 16,465.40

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Solution

The fourth proportional to 20,846.20, 31,275.70 and 16,465.40 is: 24,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846.20 : 31,275.70 = 16,465.40 : x
  2. Step 2: Convert to fraction form
    20,846.20/31,275.70 = 16,465.40/x
  3. Step 3: Cross multiply
    20,846.20x = 31,275.70 × 16,465.40
  4. Step 4: Simplify right side
    20,846.20x = 514,966,910.78
  5. Step 5: Solve for x
    x = 514,966,910.78/20,846.20
  6. Step 6: Final answer
    x = 24,703.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.