Home / 25,382.90-35,031.98-14,775.94

Finding the Fourth Proportional to 25,382.90, 35,031.98 and 14,775.94

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Solution

The fourth proportional to 25,382.90, 35,031.98 and 14,775.94 is: 20,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.90 : 35,031.98 = 14,775.94 : x
  2. Step 2: Convert to fraction form
    25,382.90/35,031.98 = 14,775.94/x
  3. Step 3: Cross multiply
    25,382.90x = 35,031.98 × 14,775.94
  4. Step 4: Simplify right side
    25,382.90x = 517,630,434.56
  5. Step 5: Solve for x
    x = 517,630,434.56/25,382.90
  6. Step 6: Final answer
    x = 20,392.88

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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.