Home / 28,684.32-43,031.34-14,642.16

Finding the Fourth Proportional to 28,684.32, 43,031.34 and 14,642.16

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Solution

The fourth proportional to 28,684.32, 43,031.34 and 14,642.16 is: 21,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684.32 : 43,031.34 = 14,642.16 : x
  2. Step 2: Convert to fraction form
    28,684.32/43,031.34 = 14,642.16/x
  3. Step 3: Cross multiply
    28,684.32x = 43,031.34 × 14,642.16
  4. Step 4: Simplify right side
    28,684.32x = 630,071,765.29
  5. Step 5: Solve for x
    x = 630,071,765.29/28,684.32
  6. Step 6: Final answer
    x = 21,965.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.