Home / 27,762.50-38,312.26-15,187.52

Finding the Fourth Proportional to 27,762.50, 38,312.26 and 15,187.52

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Solution

The fourth proportional to 27,762.50, 38,312.26 and 15,187.52 is: 20,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,762.50 : 38,312.26 = 15,187.52 : x
  2. Step 2: Convert to fraction form
    27,762.50/38,312.26 = 15,187.52/x
  3. Step 3: Cross multiply
    27,762.50x = 38,312.26 × 15,187.52
  4. Step 4: Simplify right side
    27,762.50x = 581,868,215.00
  5. Step 5: Solve for x
    x = 581,868,215.00/27,762.50
  6. Step 6: Final answer
    x = 20,958.78

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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.