Home / 25,320.12-34,941.84-14,711.76

Finding the Fourth Proportional to 25,320.12, 34,941.84 and 14,711.76

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Solution

The fourth proportional to 25,320.12, 34,941.84 and 14,711.76 is: 20,302.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.12 : 34,941.84 = 14,711.76 : x
  2. Step 2: Convert to fraction form
    25,320.12/34,941.84 = 14,711.76/x
  3. Step 3: Cross multiply
    25,320.12x = 34,941.84 × 14,711.76
  4. Step 4: Simplify right side
    25,320.12x = 514,055,964.04
  5. Step 5: Solve for x
    x = 514,055,964.04/25,320.12
  6. Step 6: Final answer
    x = 20,302.27

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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.