Home / 25,670.04-38,440.80-16,281.60

Finding the Fourth Proportional to 25,670.04, 38,440.80 and 16,281.60

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Solution

The fourth proportional to 25,670.04, 38,440.80 and 16,281.60 is: 24,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670.04 : 38,440.80 = 16,281.60 : x
  2. Step 2: Convert to fraction form
    25,670.04/38,440.80 = 16,281.60/x
  3. Step 3: Cross multiply
    25,670.04x = 38,440.80 × 16,281.60
  4. Step 4: Simplify right side
    25,670.04x = 625,877,729.28
  5. Step 5: Solve for x
    x = 625,877,729.28/25,670.04
  6. Step 6: Final answer
    x = 24,381.64

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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.