Home / 25,303.40-34,915.82-14,690.91

Finding the Fourth Proportional to 25,303.40, 34,915.82 and 14,690.91

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Solution

The fourth proportional to 25,303.40, 34,915.82 and 14,690.91 is: 20,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,303.40 : 34,915.82 = 14,690.91 : x
  2. Step 2: Convert to fraction form
    25,303.40/34,915.82 = 14,690.91/x
  3. Step 3: Cross multiply
    25,303.40x = 34,915.82 × 14,690.91
  4. Step 4: Simplify right side
    25,303.40x = 512,945,095.74
  5. Step 5: Solve for x
    x = 512,945,095.74/25,303.40
  6. Step 6: Final answer
    x = 20,271.79

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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.