Home / 19,240.40-28,882.20-14,877.20

Finding the Fourth Proportional to 19,240.40, 28,882.20 and 14,877.20

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Solution

The fourth proportional to 19,240.40, 28,882.20 and 14,877.20 is: 22,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.40 : 28,882.20 = 14,877.20 : x
  2. Step 2: Convert to fraction form
    19,240.40/28,882.20 = 14,877.20/x
  3. Step 3: Cross multiply
    19,240.40x = 28,882.20 × 14,877.20
  4. Step 4: Simplify right side
    19,240.40x = 429,686,265.84
  5. Step 5: Solve for x
    x = 429,686,265.84/19,240.40
  6. Step 6: Final answer
    x = 22,332.50

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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.