Home / 28,331.02-42,496.50-13,494.94

Finding the Fourth Proportional to 28,331.02, 42,496.50 and 13,494.94

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Solution

The fourth proportional to 28,331.02, 42,496.50 and 13,494.94 is: 20,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331.02 : 42,496.50 = 13,494.94 : x
  2. Step 2: Convert to fraction form
    28,331.02/42,496.50 = 13,494.94/x
  3. Step 3: Cross multiply
    28,331.02x = 42,496.50 × 13,494.94
  4. Step 4: Simplify right side
    28,331.02x = 573,487,717.71
  5. Step 5: Solve for x
    x = 573,487,717.71/28,331.02
  6. Step 6: Final answer
    x = 20,242.40

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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.