Home / 27,802.60-38,366.10-15,867.04

Finding the Fourth Proportional to 27,802.60, 38,366.10 and 15,867.04

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Solution

The fourth proportional to 27,802.60, 38,366.10 and 15,867.04 is: 21,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,802.60 : 38,366.10 = 15,867.04 : x
  2. Step 2: Convert to fraction form
    27,802.60/38,366.10 = 15,867.04/x
  3. Step 3: Cross multiply
    27,802.60x = 38,366.10 × 15,867.04
  4. Step 4: Simplify right side
    27,802.60x = 608,756,443.34
  5. Step 5: Solve for x
    x = 608,756,443.34/27,802.60
  6. Step 6: Final answer
    x = 21,895.67

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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.