Home / 26,487.99-36,554.40-15,875.58

Finding the Fourth Proportional to 26,487.99, 36,554.40 and 15,875.58

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Solution

The fourth proportional to 26,487.99, 36,554.40 and 15,875.58 is: 21,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,487.99 : 36,554.40 = 15,875.58 : x
  2. Step 2: Convert to fraction form
    26,487.99/36,554.40 = 15,875.58/x
  3. Step 3: Cross multiply
    26,487.99x = 36,554.40 × 15,875.58
  4. Step 4: Simplify right side
    26,487.99x = 580,322,301.55
  5. Step 5: Solve for x
    x = 580,322,301.55/26,487.99
  6. Step 6: Final answer
    x = 21,908.88

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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.