Home / 27,585.41-38,071.81-15,487.17

Finding the Fourth Proportional to 27,585.41, 38,071.81 and 15,487.17

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Solution

The fourth proportional to 27,585.41, 38,071.81 and 15,487.17 is: 21,374.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,585.41 : 38,071.81 = 15,487.17 : x
  2. Step 2: Convert to fraction form
    27,585.41/38,071.81 = 15,487.17/x
  3. Step 3: Cross multiply
    27,585.41x = 38,071.81 × 15,487.17
  4. Step 4: Simplify right side
    27,585.41x = 589,624,516.24
  5. Step 5: Solve for x
    x = 589,624,516.24/27,585.41
  6. Step 6: Final answer
    x = 21,374.51

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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.