Home / 25,541.17-35,238.42-15,465.79

Finding the Fourth Proportional to 25,541.17, 35,238.42 and 15,465.79

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Solution

The fourth proportional to 25,541.17, 35,238.42 and 15,465.79 is: 21,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,541.17 : 35,238.42 = 15,465.79 : x
  2. Step 2: Convert to fraction form
    25,541.17/35,238.42 = 15,465.79/x
  3. Step 3: Cross multiply
    25,541.17x = 35,238.42 × 15,465.79
  4. Step 4: Simplify right side
    25,541.17x = 544,989,805.99
  5. Step 5: Solve for x
    x = 544,989,805.99/25,541.17
  6. Step 6: Final answer
    x = 21,337.70

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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.