Home / 52,428.34-78,643.02-14,988.15

Finding the Fourth Proportional to 52,428.34, 78,643.02 and 14,988.15

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Solution

The fourth proportional to 52,428.34, 78,643.02 and 14,988.15 is: 22,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,428.34 : 78,643.02 = 14,988.15 : x
  2. Step 2: Convert to fraction form
    52,428.34/78,643.02 = 14,988.15/x
  3. Step 3: Cross multiply
    52,428.34x = 78,643.02 × 14,988.15
  4. Step 4: Simplify right side
    52,428.34x = 1,178,713,380.21
  5. Step 5: Solve for x
    x = 1,178,713,380.21/52,428.34
  6. Step 6: Final answer
    x = 22,482.37

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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.