Home / 28,355.72-42,559.86-14,325.62

Finding the Fourth Proportional to 28,355.72, 42,559.86 and 14,325.62

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Solution

The fourth proportional to 28,355.72, 42,559.86 and 14,325.62 is: 21,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,355.72 : 42,559.86 = 14,325.62 : x
  2. Step 2: Convert to fraction form
    28,355.72/42,559.86 = 14,325.62/x
  3. Step 3: Cross multiply
    28,355.72x = 42,559.86 × 14,325.62
  4. Step 4: Simplify right side
    28,355.72x = 609,696,097.19
  5. Step 5: Solve for x
    x = 609,696,097.19/28,355.72
  6. Step 6: Final answer
    x = 21,501.70

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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.