Home / 42,827.13-64,240.70-14,747.87

Finding the Fourth Proportional to 42,827.13, 64,240.70 and 14,747.87

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Solution

The fourth proportional to 42,827.13, 64,240.70 and 14,747.87 is: 22,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,827.13 : 64,240.70 = 14,747.87 : x
  2. Step 2: Convert to fraction form
    42,827.13/64,240.70 = 14,747.87/x
  3. Step 3: Cross multiply
    42,827.13x = 64,240.70 × 14,747.87
  4. Step 4: Simplify right side
    42,827.13x = 947,413,579.17
  5. Step 5: Solve for x
    x = 947,413,579.17/42,827.13
  6. Step 6: Final answer
    x = 22,121.81

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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.