Home / 27,394.10-37,805.20-15,457.18

Finding the Fourth Proportional to 27,394.10, 37,805.20 and 15,457.18

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Solution

The fourth proportional to 27,394.10, 37,805.20 and 15,457.18 is: 21,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,394.10 : 37,805.20 = 15,457.18 : x
  2. Step 2: Convert to fraction form
    27,394.10/37,805.20 = 15,457.18/x
  3. Step 3: Cross multiply
    27,394.10x = 37,805.20 × 15,457.18
  4. Step 4: Simplify right side
    27,394.10x = 584,361,781.34
  5. Step 5: Solve for x
    x = 584,361,781.34/27,394.10
  6. Step 6: Final answer
    x = 21,331.67

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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.