Home / 56,428.92-84,632.67-28,341.45

Finding the Fourth Proportional to 56,428.92, 84,632.67 and 28,341.45

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Solution

The fourth proportional to 56,428.92, 84,632.67 and 28,341.45 is: 42,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,428.92 : 84,632.67 = 28,341.45 : x
  2. Step 2: Convert to fraction form
    56,428.92/84,632.67 = 28,341.45/x
  3. Step 3: Cross multiply
    56,428.92x = 84,632.67 × 28,341.45
  4. Step 4: Simplify right side
    56,428.92x = 2,398,612,585.17
  5. Step 5: Solve for x
    x = 2,398,612,585.17/56,428.92
  6. Step 6: Final answer
    x = 42,506.80

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1.5x scale

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.