Home / 15,055.28-22,570.58-5,689.98

Finding the Fourth Proportional to 15,055.28, 22,570.58 and 5,689.98

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Solution

The fourth proportional to 15,055.28, 22,570.58 and 5,689.98 is: 8,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,055.28 : 22,570.58 = 5,689.98 : x
  2. Step 2: Convert to fraction form
    15,055.28/22,570.58 = 5,689.98/x
  3. Step 3: Cross multiply
    15,055.28x = 22,570.58 × 5,689.98
  4. Step 4: Simplify right side
    15,055.28x = 128,426,148.79
  5. Step 5: Solve for x
    x = 128,426,148.79/15,055.28
  6. Step 6: Final answer
    x = 8,530.31

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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.