Home / 25,810.30-38,689.30-17,491.15

Finding the Fourth Proportional to 25,810.30, 38,689.30 and 17,491.15

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Solution

The fourth proportional to 25,810.30, 38,689.30 and 17,491.15 is: 26,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,810.30 : 38,689.30 = 17,491.15 : x
  2. Step 2: Convert to fraction form
    25,810.30/38,689.30 = 17,491.15/x
  3. Step 3: Cross multiply
    25,810.30x = 38,689.30 × 17,491.15
  4. Step 4: Simplify right side
    25,810.30x = 676,720,349.70
  5. Step 5: Solve for x
    x = 676,720,349.70/25,810.30
  6. Step 6: Final answer
    x = 26,219.00

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1.5x scale

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.