Home / 20,437.32-28,284.48-19,946.46

Finding the Fourth Proportional to 20,437.32, 28,284.48 and 19,946.46

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Solution

The fourth proportional to 20,437.32, 28,284.48 and 19,946.46 is: 27,605.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437.32 : 28,284.48 = 19,946.46 : x
  2. Step 2: Convert to fraction form
    20,437.32/28,284.48 = 19,946.46/x
  3. Step 3: Cross multiply
    20,437.32x = 28,284.48 × 19,946.46
  4. Step 4: Simplify right side
    20,437.32x = 564,175,248.94
  5. Step 5: Solve for x
    x = 564,175,248.94/20,437.32
  6. Step 6: Final answer
    x = 27,605.15

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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.