Home / 45,283.16-62,465.10-28,487

Finding the Fourth Proportional to 45,283.16, 62,465.10 and 28,487

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Solution

The fourth proportional to 45,283.16, 62,465.10 and 28,487 is: 39,295.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,283.16 : 62,465.10 = 28,487 : x
  2. Step 2: Convert to fraction form
    45,283.16/62,465.10 = 28,487/x
  3. Step 3: Cross multiply
    45,283.16x = 62,465.10 × 28,487
  4. Step 4: Simplify right side
    45,283.16x = 1,779,443,303.70
  5. Step 5: Solve for x
    x = 1,779,443,303.70/45,283.16
  6. Step 6: Final answer
    x = 39,295.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.