Home / 15,527.62-21,423.45-14,030.74

Finding the Fourth Proportional to 15,527.62, 21,423.45 and 14,030.74

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Solution

The fourth proportional to 15,527.62, 21,423.45 and 14,030.74 is: 19,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527.62 : 21,423.45 = 14,030.74 : x
  2. Step 2: Convert to fraction form
    15,527.62/21,423.45 = 14,030.74/x
  3. Step 3: Cross multiply
    15,527.62x = 21,423.45 × 14,030.74
  4. Step 4: Simplify right side
    15,527.62x = 300,586,856.85
  5. Step 5: Solve for x
    x = 300,586,856.85/15,527.62
  6. Step 6: Final answer
    x = 19,358.21

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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.