Home / 25,521.40-35,217.48-14,909.86

Finding the Fourth Proportional to 25,521.40, 35,217.48 and 14,909.86

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Solution

The fourth proportional to 25,521.40, 35,217.48 and 14,909.86 is: 20,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521.40 : 35,217.48 = 14,909.86 : x
  2. Step 2: Convert to fraction form
    25,521.40/35,217.48 = 14,909.86/x
  3. Step 3: Cross multiply
    25,521.40x = 35,217.48 × 14,909.86
  4. Step 4: Simplify right side
    25,521.40x = 525,087,696.35
  5. Step 5: Solve for x
    x = 525,087,696.35/25,521.40
  6. Step 6: Final answer
    x = 20,574.41

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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.