Home / 25,981.60-38,972.40-22,602.40

Finding the Fourth Proportional to 25,981.60, 38,972.40 and 22,602.40

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Solution

The fourth proportional to 25,981.60, 38,972.40 and 22,602.40 is: 33,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.60 : 38,972.40 = 22,602.40 : x
  2. Step 2: Convert to fraction form
    25,981.60/38,972.40 = 22,602.40/x
  3. Step 3: Cross multiply
    25,981.60x = 38,972.40 × 22,602.40
  4. Step 4: Simplify right side
    25,981.60x = 880,869,773.76
  5. Step 5: Solve for x
    x = 880,869,773.76/25,981.60
  6. Step 6: Final answer
    x = 33,903.60

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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.