Home / 26,318.47-36,319.35-15,567.19

Finding the Fourth Proportional to 26,318.47, 36,319.35 and 15,567.19

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Solution

The fourth proportional to 26,318.47, 36,319.35 and 15,567.19 is: 21,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,318.47 : 36,319.35 = 15,567.19 : x
  2. Step 2: Convert to fraction form
    26,318.47/36,319.35 = 15,567.19/x
  3. Step 3: Cross multiply
    26,318.47x = 36,319.35 × 15,567.19
  4. Step 4: Simplify right side
    26,318.47x = 565,390,222.13
  5. Step 5: Solve for x
    x = 565,390,222.13/26,318.47
  6. Step 6: Final answer
    x = 21,482.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.