Home / 28,946.76-43,417.21-19,646.55

Finding the Fourth Proportional to 28,946.76, 43,417.21 and 19,646.55

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Solution

The fourth proportional to 28,946.76, 43,417.21 and 19,646.55 is: 29,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.76 : 43,417.21 = 19,646.55 : x
  2. Step 2: Convert to fraction form
    28,946.76/43,417.21 = 19,646.55/x
  3. Step 3: Cross multiply
    28,946.76x = 43,417.21 × 19,646.55
  4. Step 4: Simplify right side
    28,946.76x = 852,998,387.13
  5. Step 5: Solve for x
    x = 852,998,387.13/28,946.76
  6. Step 6: Final answer
    x = 29,467.84

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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.