Home / 29,688.12-40,970.34-16,259.94

Finding the Fourth Proportional to 29,688.12, 40,970.34 and 16,259.94

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Solution

The fourth proportional to 29,688.12, 40,970.34 and 16,259.94 is: 22,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.12 : 40,970.34 = 16,259.94 : x
  2. Step 2: Convert to fraction form
    29,688.12/40,970.34 = 16,259.94/x
  3. Step 3: Cross multiply
    29,688.12x = 40,970.34 × 16,259.94
  4. Step 4: Simplify right side
    29,688.12x = 666,175,270.18
  5. Step 5: Solve for x
    x = 666,175,270.18/29,688.12
  6. Step 6: Final answer
    x = 22,439.12

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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.