Home / 28,700.29-39,606.37-15,953.08

Finding the Fourth Proportional to 28,700.29, 39,606.37 and 15,953.08

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Solution

The fourth proportional to 28,700.29, 39,606.37 and 15,953.08 is: 22,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.29 : 39,606.37 = 15,953.08 : x
  2. Step 2: Convert to fraction form
    28,700.29/39,606.37 = 15,953.08/x
  3. Step 3: Cross multiply
    28,700.29x = 39,606.37 × 15,953.08
  4. Step 4: Simplify right side
    28,700.29x = 631,843,589.12
  5. Step 5: Solve for x
    x = 631,843,589.12/28,700.29
  6. Step 6: Final answer
    x = 22,015.23

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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.