Home / 25,468.18-38,242.24-21,570.53

Finding the Fourth Proportional to 25,468.18, 38,242.24 and 21,570.53

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Solution

The fourth proportional to 25,468.18, 38,242.24 and 21,570.53 is: 32,389.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,468.18 : 38,242.24 = 21,570.53 : x
  2. Step 2: Convert to fraction form
    25,468.18/38,242.24 = 21,570.53/x
  3. Step 3: Cross multiply
    25,468.18x = 38,242.24 × 21,570.53
  4. Step 4: Simplify right side
    25,468.18x = 824,905,140.05
  5. Step 5: Solve for x
    x = 824,905,140.05/25,468.18
  6. Step 6: Final answer
    x = 32,389.64

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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.