Home / 15,529.05-21,426.93-14,995.71

Finding the Fourth Proportional to 15,529.05, 21,426.93 and 14,995.71

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Solution

The fourth proportional to 15,529.05, 21,426.93 and 14,995.71 is: 20,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529.05 : 21,426.93 = 14,995.71 : x
  2. Step 2: Convert to fraction form
    15,529.05/21,426.93 = 14,995.71/x
  3. Step 3: Cross multiply
    15,529.05x = 21,426.93 × 14,995.71
  4. Step 4: Simplify right side
    15,529.05x = 321,312,028.47
  5. Step 5: Solve for x
    x = 321,312,028.47/15,529.05
  6. Step 6: Final answer
    x = 20,691.03

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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.