Home / 28,586.28-42,918.70-14,555.74

Finding the Fourth Proportional to 28,586.28, 42,918.70 and 14,555.74

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Solution

The fourth proportional to 28,586.28, 42,918.70 and 14,555.74 is: 21,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.28 : 42,918.70 = 14,555.74 : x
  2. Step 2: Convert to fraction form
    28,586.28/42,918.70 = 14,555.74/x
  3. Step 3: Cross multiply
    28,586.28x = 42,918.70 × 14,555.74
  4. Step 4: Simplify right side
    28,586.28x = 624,713,281.71
  5. Step 5: Solve for x
    x = 624,713,281.71/28,586.28
  6. Step 6: Final answer
    x = 21,853.60

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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.