Home / 20,737.24-28,594.80-14,011.20

Finding the Fourth Proportional to 20,737.24, 28,594.80 and 14,011.20

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Solution

The fourth proportional to 20,737.24, 28,594.80 and 14,011.20 is: 19,320.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.24 : 28,594.80 = 14,011.20 : x
  2. Step 2: Convert to fraction form
    20,737.24/28,594.80 = 14,011.20/x
  3. Step 3: Cross multiply
    20,737.24x = 28,594.80 × 14,011.20
  4. Step 4: Simplify right side
    20,737.24x = 400,647,461.76
  5. Step 5: Solve for x
    x = 400,647,461.76/20,737.24
  6. Step 6: Final answer
    x = 19,320.19

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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.