Home / 25,437.02-38,142.20-10,643.18

Finding the Fourth Proportional to 25,437.02, 38,142.20 and 10,643.18

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Solution

The fourth proportional to 25,437.02, 38,142.20 and 10,643.18 is: 15,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,437.02 : 38,142.20 = 10,643.18 : x
  2. Step 2: Convert to fraction form
    25,437.02/38,142.20 = 10,643.18/x
  3. Step 3: Cross multiply
    25,437.02x = 38,142.20 × 10,643.18
  4. Step 4: Simplify right side
    25,437.02x = 405,954,300.20
  5. Step 5: Solve for x
    x = 405,954,300.20/25,437.02
  6. Step 6: Final answer
    x = 15,959.19

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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.