Home / 20,737.32-28,499.52-19,425.12

Finding the Fourth Proportional to 20,737.32, 28,499.52 and 19,425.12

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Solution

The fourth proportional to 20,737.32, 28,499.52 and 19,425.12 is: 26,696.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.32 : 28,499.52 = 19,425.12 : x
  2. Step 2: Convert to fraction form
    20,737.32/28,499.52 = 19,425.12/x
  3. Step 3: Cross multiply
    20,737.32x = 28,499.52 × 19,425.12
  4. Step 4: Simplify right side
    20,737.32x = 553,606,595.94
  5. Step 5: Solve for x
    x = 553,606,595.94/20,737.32
  6. Step 6: Final answer
    x = 26,696.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.