Home / 42,923.13-64,395.63-16,280

Finding the Fourth Proportional to 42,923.13, 64,395.63 and 16,280

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Solution

The fourth proportional to 42,923.13, 64,395.63 and 16,280 is: 24,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,923.13 : 64,395.63 = 16,280 : x
  2. Step 2: Convert to fraction form
    42,923.13/64,395.63 = 16,280/x
  3. Step 3: Cross multiply
    42,923.13x = 64,395.63 × 16,280
  4. Step 4: Simplify right side
    42,923.13x = 1,048,360,856.40
  5. Step 5: Solve for x
    x = 1,048,360,856.40/42,923.13
  6. Step 6: Final answer
    x = 24,424.15

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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.