Home / 27,089.65-40,624.37-9,315.28

Finding the Fourth Proportional to 27,089.65, 40,624.37 and 9,315.28

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Solution

The fourth proportional to 27,089.65, 40,624.37 and 9,315.28 is: 13,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.65 : 40,624.37 = 9,315.28 : x
  2. Step 2: Convert to fraction form
    27,089.65/40,624.37 = 9,315.28/x
  3. Step 3: Cross multiply
    27,089.65x = 40,624.37 × 9,315.28
  4. Step 4: Simplify right side
    27,089.65x = 378,427,381.37
  5. Step 5: Solve for x
    x = 378,427,381.37/27,089.65
  6. Step 6: Final answer
    x = 13,969.45

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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.