Home / 27,774.29-38,328.37-15,027.45

Finding the Fourth Proportional to 27,774.29, 38,328.37 and 15,027.45

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Solution

The fourth proportional to 27,774.29, 38,328.37 and 15,027.45 is: 20,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,774.29 : 38,328.37 = 15,027.45 : x
  2. Step 2: Convert to fraction form
    27,774.29/38,328.37 = 15,027.45/x
  3. Step 3: Cross multiply
    27,774.29x = 38,328.37 × 15,027.45
  4. Step 4: Simplify right side
    27,774.29x = 575,977,663.76
  5. Step 5: Solve for x
    x = 575,977,663.76/27,774.29
  6. Step 6: Final answer
    x = 20,737.80

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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.