Home / 40,260.60-55,567.50-25,715.43

Finding the Fourth Proportional to 40,260.60, 55,567.50 and 25,715.43

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Solution

The fourth proportional to 40,260.60, 55,567.50 and 25,715.43 is: 35,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,260.60 : 55,567.50 = 25,715.43 : x
  2. Step 2: Convert to fraction form
    40,260.60/55,567.50 = 25,715.43/x
  3. Step 3: Cross multiply
    40,260.60x = 55,567.50 × 25,715.43
  4. Step 4: Simplify right side
    40,260.60x = 1,428,942,156.53
  5. Step 5: Solve for x
    x = 1,428,942,156.53/40,260.60
  6. Step 6: Final answer
    x = 35,492.32

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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.