Home / 25,243.40-37,851.80-13,403.81

Finding the Fourth Proportional to 25,243.40, 37,851.80 and 13,403.81

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Solution

The fourth proportional to 25,243.40, 37,851.80 and 13,403.81 is: 20,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,243.40 : 37,851.80 = 13,403.81 : x
  2. Step 2: Convert to fraction form
    25,243.40/37,851.80 = 13,403.81/x
  3. Step 3: Cross multiply
    25,243.40x = 37,851.80 × 13,403.81
  4. Step 4: Simplify right side
    25,243.40x = 507,358,079.08
  5. Step 5: Solve for x
    x = 507,358,079.08/25,243.40
  6. Step 6: Final answer
    x = 20,098.65

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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.