Home / 42,526.40-63,790.38-18,508.28

Finding the Fourth Proportional to 42,526.40, 63,790.38 and 18,508.28

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Solution

The fourth proportional to 42,526.40, 63,790.38 and 18,508.28 is: 27,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,526.40 : 63,790.38 = 18,508.28 : x
  2. Step 2: Convert to fraction form
    42,526.40/63,790.38 = 18,508.28/x
  3. Step 3: Cross multiply
    42,526.40x = 63,790.38 × 18,508.28
  4. Step 4: Simplify right side
    42,526.40x = 1,180,650,214.35
  5. Step 5: Solve for x
    x = 1,180,650,214.35/42,526.40
  6. Step 6: Final answer
    x = 27,762.76

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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.