Home / 42,915.15-64,356.93-14,827.98

Finding the Fourth Proportional to 42,915.15, 64,356.93 and 14,827.98

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Solution

The fourth proportional to 42,915.15, 64,356.93 and 14,827.98 is: 22,236.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,915.15 : 64,356.93 = 14,827.98 : x
  2. Step 2: Convert to fraction form
    42,915.15/64,356.93 = 14,827.98/x
  3. Step 3: Cross multiply
    42,915.15x = 64,356.93 × 14,827.98
  4. Step 4: Simplify right side
    42,915.15x = 954,283,270.90
  5. Step 5: Solve for x
    x = 954,283,270.90/42,915.15
  6. Step 6: Final answer
    x = 22,236.51

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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.