Home / 29,509.60-40,718.64-16,931.92

Finding the Fourth Proportional to 29,509.60, 40,718.64 and 16,931.92

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Solution

The fourth proportional to 29,509.60, 40,718.64 and 16,931.92 is: 23,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,509.60 : 40,718.64 = 16,931.92 : x
  2. Step 2: Convert to fraction form
    29,509.60/40,718.64 = 16,931.92/x
  3. Step 3: Cross multiply
    29,509.60x = 40,718.64 × 16,931.92
  4. Step 4: Simplify right side
    29,509.60x = 689,444,754.99
  5. Step 5: Solve for x
    x = 689,444,754.99/29,509.60
  6. Step 6: Final answer
    x = 23,363.41

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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.