Home / 38,446.90-52,977.99-28,359.39

Finding the Fourth Proportional to 38,446.90, 52,977.99 and 28,359.39

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Solution

The fourth proportional to 38,446.90, 52,977.99 and 28,359.39 is: 39,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,446.90 : 52,977.99 = 28,359.39 : x
  2. Step 2: Convert to fraction form
    38,446.90/52,977.99 = 28,359.39/x
  3. Step 3: Cross multiply
    38,446.90x = 52,977.99 × 28,359.39
  4. Step 4: Simplify right side
    38,446.90x = 1,502,423,479.83
  5. Step 5: Solve for x
    x = 1,502,423,479.83/38,446.90
  6. Step 6: Final answer
    x = 39,077.88

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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.