Home / 28,207.93-42,312.50-9,488.53

Finding the Fourth Proportional to 28,207.93, 42,312.50 and 9,488.53

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Solution

The fourth proportional to 28,207.93, 42,312.50 and 9,488.53 is: 14,233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207.93 : 42,312.50 = 9,488.53 : x
  2. Step 2: Convert to fraction form
    28,207.93/42,312.50 = 9,488.53/x
  3. Step 3: Cross multiply
    28,207.93x = 42,312.50 × 9,488.53
  4. Step 4: Simplify right side
    28,207.93x = 401,483,378.18
  5. Step 5: Solve for x
    x = 401,483,378.18/28,207.93
  6. Step 6: Final answer
    x = 14,233.00

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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.