Home / 28,484.47-42,753.51-14,454.57

Finding the Fourth Proportional to 28,484.47, 42,753.51 and 14,454.57

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Solution

The fourth proportional to 28,484.47, 42,753.51 and 14,454.57 is: 21,695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,484.47 : 42,753.51 = 14,454.57 : x
  2. Step 2: Convert to fraction form
    28,484.47/42,753.51 = 14,454.57/x
  3. Step 3: Cross multiply
    28,484.47x = 42,753.51 × 14,454.57
  4. Step 4: Simplify right side
    28,484.47x = 617,983,603.04
  5. Step 5: Solve for x
    x = 617,983,603.04/28,484.47
  6. Step 6: Final answer
    x = 21,695.46

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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.