Home / 28,262.53-39,002.45-17,658.32

Finding the Fourth Proportional to 28,262.53, 39,002.45 and 17,658.32

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Solution

The fourth proportional to 28,262.53, 39,002.45 and 17,658.32 is: 24,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262.53 : 39,002.45 = 17,658.32 : x
  2. Step 2: Convert to fraction form
    28,262.53/39,002.45 = 17,658.32/x
  3. Step 3: Cross multiply
    28,262.53x = 39,002.45 × 17,658.32
  4. Step 4: Simplify right side
    28,262.53x = 688,717,459.58
  5. Step 5: Solve for x
    x = 688,717,459.58/28,262.53
  6. Step 6: Final answer
    x = 24,368.57

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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.