Home / 56,428.40-84,646.08-14,875.40

Finding the Fourth Proportional to 56,428.40, 84,646.08 and 14,875.40

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Solution

The fourth proportional to 56,428.40, 84,646.08 and 14,875.40 is: 22,314.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,428.40 : 84,646.08 = 14,875.40 : x
  2. Step 2: Convert to fraction form
    56,428.40/84,646.08 = 14,875.40/x
  3. Step 3: Cross multiply
    56,428.40x = 84,646.08 × 14,875.40
  4. Step 4: Simplify right side
    56,428.40x = 1,259,144,298.43
  5. Step 5: Solve for x
    x = 1,259,144,298.43/56,428.40
  6. Step 6: Final answer
    x = 22,314.02

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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.