Home / 27,706.32-38,235.60-15,131.52

Finding the Fourth Proportional to 27,706.32, 38,235.60 and 15,131.52

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Solution

The fourth proportional to 27,706.32, 38,235.60 and 15,131.52 is: 20,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,706.32 : 38,235.60 = 15,131.52 : x
  2. Step 2: Convert to fraction form
    27,706.32/38,235.60 = 15,131.52/x
  3. Step 3: Cross multiply
    27,706.32x = 38,235.60 × 15,131.52
  4. Step 4: Simplify right side
    27,706.32x = 578,562,746.11
  5. Step 5: Solve for x
    x = 578,562,746.11/27,706.32
  6. Step 6: Final answer
    x = 20,881.98

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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.