Home / 27,322.65-37,705.40-15,386.19

Finding the Fourth Proportional to 27,322.65, 37,705.40 and 15,386.19

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Solution

The fourth proportional to 27,322.65, 37,705.40 and 15,386.19 is: 21,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,322.65 : 37,705.40 = 15,386.19 : x
  2. Step 2: Convert to fraction form
    27,322.65/37,705.40 = 15,386.19/x
  3. Step 3: Cross multiply
    27,322.65x = 37,705.40 × 15,386.19
  4. Step 4: Simplify right side
    27,322.65x = 580,142,371.50
  5. Step 5: Solve for x
    x = 580,142,371.50/27,322.65
  6. Step 6: Final answer
    x = 21,233.02

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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.