Home / 25,000.02-34,515-15,581.34

Finding the Fourth Proportional to 25,000.02, 34,515 and 15,581.34

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Solution

The fourth proportional to 25,000.02, 34,515 and 15,581.34 is: 21,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,000.02 : 34,515 = 15,581.34 : x
  2. Step 2: Convert to fraction form
    25,000.02/34,515 = 15,581.34/x
  3. Step 3: Cross multiply
    25,000.02x = 34,515 × 15,581.34
  4. Step 4: Simplify right side
    25,000.02x = 537,789,950.10
  5. Step 5: Solve for x
    x = 537,789,950.10/25,000.02
  6. Step 6: Final answer
    x = 21,511.58

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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.