Home / 42,895.64-64,352.07-14,816.72

Finding the Fourth Proportional to 42,895.64, 64,352.07 and 14,816.72

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Solution

The fourth proportional to 42,895.64, 64,352.07 and 14,816.72 is: 22,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,895.64 : 64,352.07 = 14,816.72 : x
  2. Step 2: Convert to fraction form
    42,895.64/64,352.07 = 14,816.72/x
  3. Step 3: Cross multiply
    42,895.64x = 64,352.07 × 14,816.72
  4. Step 4: Simplify right side
    42,895.64x = 953,486,763.49
  5. Step 5: Solve for x
    x = 953,486,763.49/42,895.64
  6. Step 6: Final answer
    x = 22,228.06

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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.