Home / 27,317.48-37,700.30-15,380.10

Finding the Fourth Proportional to 27,317.48, 37,700.30 and 15,380.10

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Solution

The fourth proportional to 27,317.48, 37,700.30 and 15,380.10 is: 21,225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317.48 : 37,700.30 = 15,380.10 : x
  2. Step 2: Convert to fraction form
    27,317.48/37,700.30 = 15,380.10/x
  3. Step 3: Cross multiply
    27,317.48x = 37,700.30 × 15,380.10
  4. Step 4: Simplify right side
    27,317.48x = 579,834,422.48
  5. Step 5: Solve for x
    x = 579,834,422.48/27,317.48
  6. Step 6: Final answer
    x = 21,225.77

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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.