Home / 28,159.95-42,260.58-14,116.07

Finding the Fourth Proportional to 28,159.95, 42,260.58 and 14,116.07

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Solution

The fourth proportional to 28,159.95, 42,260.58 and 14,116.07 is: 21,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,159.95 : 42,260.58 = 14,116.07 : x
  2. Step 2: Convert to fraction form
    28,159.95/42,260.58 = 14,116.07/x
  3. Step 3: Cross multiply
    28,159.95x = 42,260.58 × 14,116.07
  4. Step 4: Simplify right side
    28,159.95x = 596,553,023.64
  5. Step 5: Solve for x
    x = 596,553,023.64/28,159.95
  6. Step 6: Final answer
    x = 21,184.45

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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.