Home / 25,320.40-38,014.80-14,801.20

Finding the Fourth Proportional to 25,320.40, 38,014.80 and 14,801.20

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Solution

The fourth proportional to 25,320.40, 38,014.80 and 14,801.20 is: 22,221.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.40 : 38,014.80 = 14,801.20 : x
  2. Step 2: Convert to fraction form
    25,320.40/38,014.80 = 14,801.20/x
  3. Step 3: Cross multiply
    25,320.40x = 38,014.80 × 14,801.20
  4. Step 4: Simplify right side
    25,320.40x = 562,664,657.76
  5. Step 5: Solve for x
    x = 562,664,657.76/25,320.40
  6. Step 6: Final answer
    x = 22,221.79

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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.