Home / 28,256.74-42,384.39-13,476.10

Finding the Fourth Proportional to 28,256.74, 42,384.39 and 13,476.10

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Solution

The fourth proportional to 28,256.74, 42,384.39 and 13,476.10 is: 20,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256.74 : 42,384.39 = 13,476.10 : x
  2. Step 2: Convert to fraction form
    28,256.74/42,384.39 = 13,476.10/x
  3. Step 3: Cross multiply
    28,256.74x = 42,384.39 × 13,476.10
  4. Step 4: Simplify right side
    28,256.74x = 571,176,278.08
  5. Step 5: Solve for x
    x = 571,176,278.08/28,256.74
  6. Step 6: Final answer
    x = 20,213.81

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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.