Home / 25,757.28-35,539.02-18,671.40

Finding the Fourth Proportional to 25,757.28, 35,539.02 and 18,671.40

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Solution

The fourth proportional to 25,757.28, 35,539.02 and 18,671.40 is: 25,762.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,757.28 : 35,539.02 = 18,671.40 : x
  2. Step 2: Convert to fraction form
    25,757.28/35,539.02 = 18,671.40/x
  3. Step 3: Cross multiply
    25,757.28x = 35,539.02 × 18,671.40
  4. Step 4: Simplify right side
    25,757.28x = 663,563,258.03
  5. Step 5: Solve for x
    x = 663,563,258.03/25,757.28
  6. Step 6: Final answer
    x = 25,762.16

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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.