Home / 25,695.12-35,461.90-15,624.29

Finding the Fourth Proportional to 25,695.12, 35,461.90 and 15,624.29

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Solution

The fourth proportional to 25,695.12, 35,461.90 and 15,624.29 is: 21,563.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.12 : 35,461.90 = 15,624.29 : x
  2. Step 2: Convert to fraction form
    25,695.12/35,461.90 = 15,624.29/x
  3. Step 3: Cross multiply
    25,695.12x = 35,461.90 × 15,624.29
  4. Step 4: Simplify right side
    25,695.12x = 554,067,117.74
  5. Step 5: Solve for x
    x = 554,067,117.74/25,695.12
  6. Step 6: Final answer
    x = 21,563.12

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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.