Home / 28,432.17-42,630.01-11,803.68

Finding the Fourth Proportional to 28,432.17, 42,630.01 and 11,803.68

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Solution

The fourth proportional to 28,432.17, 42,630.01 and 11,803.68 is: 17,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,432.17 : 42,630.01 = 11,803.68 : x
  2. Step 2: Convert to fraction form
    28,432.17/42,630.01 = 11,803.68/x
  3. Step 3: Cross multiply
    28,432.17x = 42,630.01 × 11,803.68
  4. Step 4: Simplify right side
    28,432.17x = 503,190,966.93
  5. Step 5: Solve for x
    x = 503,190,966.93/28,432.17
  6. Step 6: Final answer
    x = 17,697.94

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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.