Home / 27,852.85-38,437.10-15,916.62

Finding the Fourth Proportional to 27,852.85, 38,437.10 and 15,916.62

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Solution

The fourth proportional to 27,852.85, 38,437.10 and 15,916.62 is: 21,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,852.85 : 38,437.10 = 15,916.62 : x
  2. Step 2: Convert to fraction form
    27,852.85/38,437.10 = 15,916.62/x
  3. Step 3: Cross multiply
    27,852.85x = 38,437.10 × 15,916.62
  4. Step 4: Simplify right side
    27,852.85x = 611,788,714.60
  5. Step 5: Solve for x
    x = 611,788,714.60/27,852.85
  6. Step 6: Final answer
    x = 21,965.03

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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.