Home / 15,031.76-22,547.12-3,938.36

Finding the Fourth Proportional to 15,031.76, 22,547.12 and 3,938.36

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Solution

The fourth proportional to 15,031.76, 22,547.12 and 3,938.36 is: 5,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,031.76 : 22,547.12 = 3,938.36 : x
  2. Step 2: Convert to fraction form
    15,031.76/22,547.12 = 3,938.36/x
  3. Step 3: Cross multiply
    15,031.76x = 22,547.12 × 3,938.36
  4. Step 4: Simplify right side
    15,031.76x = 88,798,543.10
  5. Step 5: Solve for x
    x = 88,798,543.10/15,031.76
  6. Step 6: Final answer
    x = 5,907.40

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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.